diff options
Diffstat (limited to 'fs/ext2')
| -rw-r--r-- | fs/ext2/acl.c | 79 | ||||
| -rw-r--r-- | fs/ext2/dir.c | 6 | ||||
| -rw-r--r-- | fs/ext2/ext2.h | 3 | ||||
| -rw-r--r-- | fs/ext2/file.c | 21 | ||||
| -rw-r--r-- | fs/ext2/inode.c | 6 | ||||
| -rw-r--r-- | fs/ext2/super.c | 206 | ||||
| -rw-r--r-- | fs/ext2/xattr.c | 11 | ||||
| -rw-r--r-- | fs/ext2/xattr_security.c | 16 | ||||
| -rw-r--r-- | fs/ext2/xattr_trusted.c | 16 | ||||
| -rw-r--r-- | fs/ext2/xattr_user.c | 25 | ||||
| -rw-r--r-- | fs/ext2/xip.c | 5 |
11 files changed, 223 insertions, 171 deletions
diff --git a/fs/ext2/acl.c b/fs/ext2/acl.c index a63d442..a99e543 100644 --- a/fs/ext2/acl.c +++ b/fs/ext2/acl.c @@ -339,12 +339,12 @@ ext2_acl_chmod(struct inode *inode) * Extended attribut handlers */ static size_t -ext2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext2_xattr_list_acl_access(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const size_t size = sizeof(POSIX_ACL_XATTR_ACCESS); - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (!test_opt(dentry->d_sb, POSIX_ACL)) return 0; if (list && size <= list_size) memcpy(list, POSIX_ACL_XATTR_ACCESS, size); @@ -352,12 +352,12 @@ ext2_xattr_list_acl_access(struct inode *inode, char *list, size_t list_size, } static size_t -ext2_xattr_list_acl_default(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext2_xattr_list_acl_default(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const size_t size = sizeof(POSIX_ACL_XATTR_DEFAULT); - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (!test_opt(dentry->d_sb, POSIX_ACL)) return 0; if (list && size <= list_size) memcpy(list, POSIX_ACL_XATTR_DEFAULT, size); @@ -365,15 +365,18 @@ ext2_xattr_list_acl_default(struct inode *inode, char *list, size_t list_size, } static int -ext2_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) +ext2_xattr_get_acl(struct dentry *dentry, const char *name, void *buffer, + size_t size, int type) { struct posix_acl *acl; int error; - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (strcmp(name, "") != 0) + return -EINVAL; + if (!test_opt(dentry->d_sb, POSIX_ACL)) return -EOPNOTSUPP; - acl = ext2_get_acl(inode, type); + acl = ext2_get_acl(dentry->d_inode, type); if (IS_ERR(acl)) return PTR_ERR(acl); if (acl == NULL) @@ -385,33 +388,17 @@ ext2_xattr_get_acl(struct inode *inode, int type, void *buffer, size_t size) } static int -ext2_xattr_get_acl_access(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext2_xattr_get_acl(inode, ACL_TYPE_ACCESS, buffer, size); -} - -static int -ext2_xattr_get_acl_default(struct inode *inode, const char *name, - void *buffer, size_t size) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext2_xattr_get_acl(inode, ACL_TYPE_DEFAULT, buffer, size); -} - -static int -ext2_xattr_set_acl(struct inode *inode, int type, const void *value, - size_t size) +ext2_xattr_set_acl(struct dentry *dentry, const char *name, const void *value, + size_t size, int flags, int type) { struct posix_acl *acl; int error; - if (!test_opt(inode->i_sb, POSIX_ACL)) + if (strcmp(name, "") != 0) + return -EINVAL; + if (!test_opt(dentry->d_sb, POSIX_ACL)) return -EOPNOTSUPP; - if (!is_owner_or_cap(inode)) + if (!is_owner_or_cap(dentry->d_inode)) return -EPERM; if (value) { @@ -426,41 +413,25 @@ ext2_xattr_set_acl(struct inode *inode, int type, const void *value, } else acl = NULL; - error = ext2_set_acl(inode, type, acl); + error = ext2_set_acl(dentry->d_inode, type, acl); release_and_out: posix_acl_release(acl); return error; } -static int -ext2_xattr_set_acl_access(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext2_xattr_set_acl(inode, ACL_TYPE_ACCESS, value, size); -} - -static int -ext2_xattr_set_acl_default(struct inode *inode, const char *name, - const void *value, size_t size, int flags) -{ - if (strcmp(name, "") != 0) - return -EINVAL; - return ext2_xattr_set_acl(inode, ACL_TYPE_DEFAULT, value, size); -} - struct xattr_handler ext2_xattr_acl_access_handler = { .prefix = POSIX_ACL_XATTR_ACCESS, + .flags = ACL_TYPE_ACCESS, .list = ext2_xattr_list_acl_access, - .get = ext2_xattr_get_acl_access, - .set = ext2_xattr_set_acl_access, + .get = ext2_xattr_get_acl, + .set = ext2_xattr_set_acl, }; struct xattr_handler ext2_xattr_acl_default_handler = { .prefix = POSIX_ACL_XATTR_DEFAULT, + .flags = ACL_TYPE_DEFAULT, .list = ext2_xattr_list_acl_default, - .get = ext2_xattr_get_acl_default, - .set = ext2_xattr_set_acl_default, + .get = ext2_xattr_get_acl, + .set = ext2_xattr_set_acl, }; diff --git a/fs/ext2/dir.c b/fs/ext2/dir.c index 6cde970..7516957 100644 --- a/fs/ext2/dir.c +++ b/fs/ext2/dir.c @@ -353,8 +353,8 @@ ext2_readdir (struct file * filp, void * dirent, filldir_t filldir) * ext2_find_entry() * * finds an entry in the specified directory with the wanted name. It - * returns the page in which the entry was found, and the entry itself - * (as a parameter - res_dir). Page is returned mapped and unlocked. + * returns the page in which the entry was found (as a parameter - res_page), + * and the entry itself. Page is returned mapped and unlocked. * Entry is guaranteed to be valid. */ struct ext2_dir_entry_2 *ext2_find_entry (struct inode * dir, @@ -721,5 +721,5 @@ const struct file_operations ext2_dir_operations = { #ifdef CONFIG_COMPAT .compat_ioctl = ext2_compat_ioctl, #endif - .fsync = simple_fsync, + .fsync = ext2_fsync, }; diff --git a/fs/ext2/ext2.h b/fs/ext2/ext2.h index 9a8a8e2..061914a 100644 --- a/fs/ext2/ext2.h +++ b/fs/ext2/ext2.h @@ -142,7 +142,7 @@ struct dentry *ext2_get_parent(struct dentry *child); /* super.c */ extern void ext2_error (struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); -extern void ext2_warning (struct super_block *, const char *, const char *, ...) +extern void ext2_msg(struct super_block *, const char *, const char *, ...) __attribute__ ((format (printf, 3, 4))); extern void ext2_update_dynamic_rev (struct super_block *sb); extern void ext2_write_super (struct super_block *); @@ -155,6 +155,7 @@ extern void ext2_write_super (struct super_block *); extern const struct file_operations ext2_dir_operations; /* file.c */ +extern int ext2_fsync(struct file *file, struct dentry *dentry, int datasync); extern const struct inode_operations ext2_file_inode_operations; extern const struct file_operations ext2_file_operations; extern const struct file_operations ext2_xip_file_operations; diff --git a/fs/ext2/file.c b/fs/ext2/file.c index a2f3afd..586e358 100644 --- a/fs/ext2/file.c +++ b/fs/ext2/file.c @@ -19,6 +19,7 @@ */ #include <linux/time.h> +#include <linux/pagemap.h> #include "ext2.h" #include "xattr.h" #include "acl.h" @@ -38,6 +39,22 @@ static int ext2_release_file (struct inode * inode, struct file * filp) return 0; } +int ext2_fsync(struct file *file, struct dentry *dentry, int datasync) +{ + int ret; + struct super_block *sb = dentry->d_inode->i_sb; + struct address_space *mapping = sb->s_bdev->bd_inode->i_mapping; + + ret = simple_fsync(file, dentry, datasync); + if (ret == -EIO || test_and_clear_bit(AS_EIO, &mapping->flags)) { + /* We don't really know where the IO error happened... */ + ext2_error(sb, __func__, + "detected IO error when writing metadata buffers"); + ret = -EIO; + } + return ret; +} + /* * We have mostly NULL's here: the current defaults are ok for * the ext2 filesystem. @@ -55,7 +72,7 @@ const struct file_operations ext2_file_operations = { .mmap = generic_file_mmap, .open = generic_file_open, .release = ext2_release_file, - .fsync = simple_fsync, + .fsync = ext2_fsync, .splice_read = generic_file_splice_read, .splice_write = generic_file_splice_write, }; @@ -72,7 +89,7 @@ const struct file_operations ext2_xip_file_operations = { .mmap = xip_file_mmap, .open = generic_file_open, .release = ext2_release_file, - .fsync = simple_fsync, + .fsync = ext2_fsync, }; #endif diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c index ade6340..71b032c 100644 --- a/fs/ext2/inode.c +++ b/fs/ext2/inode.c @@ -137,7 +137,8 @@ static int ext2_block_to_path(struct inode *inode, int final = 0; if (i_block < 0) { - ext2_warning (inode->i_sb, "ext2_block_to_path", "block < 0"); + ext2_msg(inode->i_sb, KERN_WARNING, + "warning: %s: block < 0", __func__); } else if (i_block < direct_blocks) { offsets[n++] = i_block; final = direct_blocks; @@ -157,7 +158,8 @@ static int ext2_block_to_path(struct inode *inode, offsets[n++] = i_block & (ptrs - 1); final = ptrs; } else { - ext2_warning (inode->i_sb, "ext2_block_to_path", "block > big"); + ext2_msg(inode->i_sb, KERN_WARNING, + "warning: %s: block is too big", __func__); } if (boundary) *boundary = final - 1 - (i_block & (ptrs - 1)); diff --git a/fs/ext2/super.c b/fs/ext2/super.c index 1a9ffee..f9cb54a 100644 --- a/fs/ext2/super.c +++ b/fs/ext2/super.c @@ -58,27 +58,27 @@ void ext2_error (struct super_block * sb, const char * function, } va_start(args, fmt); - printk(KERN_CRIT "EXT2-fs error (device %s): %s: ",sb->s_id, function); + printk(KERN_CRIT "EXT2-fs (%s): error: %s: ", sb->s_id, function); vprintk(fmt, args); printk("\n"); va_end(args); if (test_opt(sb, ERRORS_PANIC)) - panic("EXT2-fs panic from previous error\n"); + panic("EXT2-fs: panic from previous error\n"); if (test_opt(sb, ERRORS_RO)) { - printk("Remounting filesystem read-only\n"); + ext2_msg(sb, KERN_CRIT, + "error: remounting filesystem read-only"); sb->s_flags |= MS_RDONLY; } } -void ext2_warning (struct super_block * sb, const char * function, - const char * fmt, ...) +void ext2_msg(struct super_block *sb, const char *prefix, + const char *fmt, ...) { va_list args; va_start(args, fmt); - printk(KERN_WARNING "EXT2-fs warning (device %s): %s: ", - sb->s_id, function); + printk("%sEXT2-fs (%s): ", prefix, sb->s_id); vprintk(fmt, args); printk("\n"); va_end(args); @@ -91,9 +91,9 @@ void ext2_update_dynamic_rev(struct super_block *sb) if (le32_to_cpu(es->s_rev_level) > EXT2_GOOD_OLD_REV) return; - ext2_warning(sb, __func__, - "updating to rev %d because of new feature flag, " - "running e2fsck is recommended", + ext2_msg(sb, KERN_WARNING, + "warning: updating to rev %d because of " + "new feature flag, running e2fsck is recommended", EXT2_DYNAMIC_REV); es->s_first_ino = cpu_to_le32(EXT2_GOOD_OLD_FIRST_INO); @@ -419,10 +419,10 @@ static const match_table_t tokens = { {Opt_err, NULL} }; -static int parse_options (char * options, - struct ext2_sb_info *sbi) +static int parse_options(char *options, struct super_block *sb) { - char * p; + char *p; + struct ext2_sb_info *sbi = EXT2_SB(sb); substring_t args[MAX_OPT_ARGS]; int option; @@ -505,7 +505,8 @@ static int parse_options (char * options, #else case Opt_user_xattr: case Opt_nouser_xattr: - printk("EXT2 (no)user_xattr options not supported\n"); + ext2_msg(sb, KERN_INFO, "(no)user_xattr options" + "not supported"); break; #endif #ifdef CONFIG_EXT2_FS_POSIX_ACL @@ -518,14 +519,15 @@ static int parse_options (char * options, #else case Opt_acl: case Opt_noacl: - printk("EXT2 (no)acl options not supported\n"); + ext2_msg(sb, KERN_INFO, + "(no)acl options not supported"); break; #endif case Opt_xip: #ifdef CONFIG_EXT2_FS_XIP set_opt (sbi->s_mount_opt, XIP); #else - printk("EXT2 xip option not supported\n"); + ext2_msg(sb, KERN_INFO, "xip option not supported"); #endif break; @@ -542,19 +544,18 @@ static int parse_options (char * options, case Opt_quota: case Opt_usrquota: case Opt_grpquota: - printk(KERN_ERR - "EXT2-fs: quota operations not supported.\n"); - + ext2_msg(sb, KERN_INFO, + "quota operations not supported"); break; #endif case Opt_reservation: set_opt(sbi->s_mount_opt, RESERVATION); - printk("reservations ON\n"); + ext2_msg(sb, KERN_INFO, "reservations ON"); break; case Opt_noreservation: clear_opt(sbi->s_mount_opt, RESERVATION); - printk("reservations OFF\n"); + ext2_msg(sb, KERN_INFO, "reservations OFF"); break; case Opt_ignore: break; @@ -573,34 +574,40 @@ static int ext2_setup_super (struct super_block * sb, struct ext2_sb_info *sbi = EXT2_SB(sb); if (le32_to_cpu(es->s_rev_level) > EXT2_MAX_SUPP_REV) { - printk ("EXT2-fs warning: revision level too high, " - "forcing read-only mode\n"); + ext2_msg(sb, KERN_ERR, + "error: revision level too high, " + "forcing read-only mode"); res = MS_RDONLY; } if (read_only) return res; if (!(sbi->s_mount_state & EXT2_VALID_FS)) - printk ("EXT2-fs warning: mounting unchecked fs, " - "running e2fsck is recommended\n"); + ext2_msg(sb, KERN_WARNING, + "warning: mounting unchecked fs, " + "running e2fsck is recommended"); else if ((sbi->s_mount_state & EXT2_ERROR_FS)) - printk ("EXT2-fs warning: mounting fs with errors, " - "running e2fsck is recommended\n"); + ext2_msg(sb, KERN_WARNING, + "warning: mounting fs with errors, " + "running e2fsck is recommended"); else if ((__s16) le16_to_cpu(es->s_max_mnt_count) >= 0 && le16_to_cpu(es->s_mnt_count) >= (unsigned short) (__s16) le16_to_cpu(es->s_max_mnt_count)) - printk ("EXT2-fs warning: maximal mount count reached, " - "running e2fsck is recommended\n"); + ext2_msg(sb, KERN_WARNING, + "warning: maximal mount count reached, " + "running e2fsck is recommended"); else if (le32_to_cpu(es->s_checkinterval) && - (le32_to_cpu(es->s_lastcheck) + le32_to_cpu(es->s_checkinterval) <= get_seconds())) - printk ("EXT2-fs warning: checktime reached, " - "running e2fsck is recommended\n"); + (le32_to_cpu(es->s_lastcheck) + + le32_to_cpu(es->s_checkinterval) <= get_seconds())) + ext2_msg(sb, KERN_WARNING, + "warning: checktime reached, " + "running e2fsck is recommended"); if (!le16_to_cpu(es->s_max_mnt_count)) es->s_max_mnt_count = cpu_to_le16(EXT2_DFL_MAX_MNT_COUNT); le16_add_cpu(&es->s_mnt_count, 1); ext2_write_super(sb); if (test_opt (sb, DEBUG)) - printk ("[EXT II FS %s, %s, bs=%lu, fs=%lu, gc=%lu, " - "bpg=%lu, ipg=%lu, mo=%04lx]\n", + ext2_msg(sb, KERN_INFO, "%s, %s, bs=%lu, fs=%lu, gc=%lu, " + "bpg=%lu, ipg=%lu, mo=%04lx]", EXT2FS_VERSION, EXT2FS_DATE, sb->s_blocksize, sbi->s_frag_size, sbi->s_groups_count, @@ -767,7 +774,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) */ blocksize = sb_min_blocksize(sb, BLOCK_SIZE); if (!blocksize) { - printk ("EXT2-fs: unable to set blocksize\n"); + ext2_msg(sb, KERN_ERR, "error: unable to set blocksize"); goto failed_sbi; } @@ -783,7 +790,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) } if (!(bh = sb_bread(sb, logic_sb_block))) { - printk ("EXT2-fs: unable to read superblock\n"); + ext2_msg(sb, KERN_ERR, "error: unable to read superblock"); goto failed_sbi; } /* @@ -826,7 +833,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) set_opt(sbi->s_mount_opt, RESERVATION); - if (!parse_options ((char *) data, sbi)) + if (!parse_options((char *) data, sb)) goto failed_mount; sb->s_flags = (sb->s_flags & ~MS_POSIXACL) | @@ -840,8 +847,9 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) (EXT2_HAS_COMPAT_FEATURE(sb, ~0U) || EXT2_HAS_RO_COMPAT_FEATURE(sb, ~0U) || EXT2_HAS_INCOMPAT_FEATURE(sb, ~0U))) - printk("EXT2-fs warning: feature flags set on rev 0 fs, " - "running e2fsck is recommended\n"); + ext2_msg(sb, KERN_WARNING, + "warning: feature flags set on rev 0 fs, " + "running e2fsck is recommended"); /* * Check feature flags regardless of the revision level, since we * previously didn't change the revision level when setting the flags, @@ -849,16 +857,16 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) */ features = EXT2_HAS_INCOMPAT_FEATURE(sb, ~EXT2_FEATURE_INCOMPAT_SUPP); if (features) { - printk("EXT2-fs: %s: couldn't mount because of " - "unsupported optional features (%x).\n", - sb->s_id, le32_to_cpu(features)); + ext2_msg(sb, KERN_ERR, "error: couldn't mount because of " + "unsupported optional features (%x)", + le32_to_cpu(features)); goto failed_mount; } if (!(sb->s_flags & MS_RDONLY) && (features = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP))){ - printk("EXT2-fs: %s: couldn't mount RDWR because of " - "unsupported optional features (%x).\n", - sb->s_id, le32_to_cpu(features)); + ext2_msg(sb, KERN_ERR, "error: couldn't mount RDWR because of " + "unsupported optional features (%x)", + le32_to_cpu(features)); goto failed_mount; } @@ -866,7 +874,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (ext2_use_xip(sb) && blocksize != PAGE_SIZE) { if (!silent) - printk("XIP: Unsupported blocksize\n"); + ext2_msg(sb, KERN_ERR, + "error: unsupported blocksize for xip"); goto failed_mount; } @@ -875,7 +884,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) brelse(bh); if (!sb_set_blocksize(sb, blocksize)) { - printk(KERN_ERR "EXT2-fs: blocksize too small for device.\n"); + ext2_msg(sb, KERN_ERR, "error: blocksize is too small"); goto failed_sbi; } @@ -883,14 +892,14 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) offset = (sb_block*BLOCK_SIZE) % blocksize; bh = sb_bread(sb, logic_sb_block); if(!bh) { - printk("EXT2-fs: Couldn't read superblock on " - "2nd try.\n"); + ext2_msg(sb, KERN_ERR, "error: couldn't read" + "superblock on 2nd try"); goto failed_sbi; } es = (struct ext2_super_block *) (((char *)bh->b_data) + offset); sbi->s_es = es; if (es->s_magic != cpu_to_le16(EXT2_SUPER_MAGIC)) { - printk ("EXT2-fs: Magic mismatch, very weird !\n"); + ext2_msg(sb, KERN_ERR, "error: magic mismatch"); goto failed_mount; } } @@ -906,7 +915,8 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if ((sbi->s_inode_size < EXT2_GOOD_OLD_INODE_SIZE) || !is_power_of_2(sbi->s_inode_size) || (sbi->s_inode_size > blocksize)) { - printk ("EXT2-fs: unsupported inode size: %d\n", + ext2_msg(sb, KERN_ERR, + "error: unsupported inode size: %d", sbi->s_inode_size); goto failed_mount; } @@ -943,29 +953,33 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (sb->s_blocksize != bh->b_size) { if (!silent) - printk ("VFS: Unsupported blocksize on dev " - "%s.\n", sb->s_id); + ext2_msg(sb, KERN_ERR, "error: unsupported blocksize"); goto failed_mount; } if (sb->s_blocksize != sbi->s_frag_size) { - printk ("EXT2-fs: fragsize %lu != blocksize %lu (not supported yet)\n", + ext2_msg(sb, KERN_ERR, + "error: fragsize %lu != blocksize %lu" + "(not supported yet)", sbi->s_frag_size, sb->s_blocksize); goto failed_mount; } if (sbi->s_blocks_per_group > sb->s_blocksize * 8) { - printk ("EXT2-fs: #blocks per group too big: %lu\n", + ext2_msg(sb, KERN_ERR, + "error: #blocks per group too big: %lu", sbi->s_blocks_per_group); goto failed_mount; } if (sbi->s_frags_per_group > sb->s_blocksize * 8) { - printk ("EXT2-fs: #fragments per group too big: %lu\n", + ext2_msg(sb, KERN_ERR, + "error: #fragments per group too big: %lu", sbi->s_frags_per_group); goto failed_mount; } if (sbi->s_inodes_per_group > sb->s_blocksize * 8) { - printk ("EXT2-fs: #inodes per group too big: %lu\n", + ext2_msg(sb, KERN_ERR, + "error: #inodes per group too big: %lu", sbi->s_inodes_per_group); goto failed_mount; } @@ -979,13 +993,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) EXT2_DESC_PER_BLOCK(sb); sbi->s_group_desc = kmalloc (db_count * sizeof (struct buffer_head *), GFP_KERNEL); if (sbi->s_group_desc == NULL) { - printk ("EXT2-fs: not enough memory\n"); + ext2_msg(sb, KERN_ERR, "error: not enough memory"); goto failed_mount; } bgl_lock_init(sbi->s_blockgroup_lock); sbi->s_debts = kcalloc(sbi->s_groups_count, sizeof(*sbi->s_debts), GFP_KERNEL); if (!sbi->s_debts) { - printk ("EXT2-fs: not enough memory\n"); + ext2_msg(sb, KERN_ERR, "error: not enough memory"); goto failed_mount_group_desc; } for (i = 0; i < db_count; i++) { @@ -994,12 +1008,13 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) if (!sbi->s_group_desc[i]) { for (j = 0; j < i; j++) brelse (sbi->s_group_desc[j]); - printk ("EXT2-fs: unable to read group descriptors\n"); + ext2_msg(sb, KERN_ERR, + "error: unable to read group descriptors"); goto failed_mount_group_desc; } } if (!ext2_check_descriptors (sb)) { - printk ("EXT2-fs: group descriptors corrupted!\n"); + ext2_msg(sb, KERN_ERR, "group descriptors corrupted"); goto failed_mount2; } sbi->s_gdb_count = db_count; @@ -1032,7 +1047,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) ext2_count_dirs(sb)); } if (err) { - printk(KERN_ERR "EXT2-fs: insufficient memory\n"); + ext2_msg(sb, KERN_ERR, "error: insufficient memory"); goto failed_mount3; } /* @@ -1048,27 +1063,28 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent) } if (!S_ISDIR(root->i_mode) || !root->i_blocks || !root->i_size) { iput(root); - printk(KERN_ERR "EXT2-fs: corrupt root inode, run e2fsck\n"); + ext2_msg(sb, KERN_ERR, "error: corrupt root inode, run e2fsck"); goto failed_mount3; } sb->s_root = d_alloc_root(root); if (!sb->s_root) { iput(root); - printk(KERN_ERR "EXT2-fs: get root inode failed\n"); + ext2_msg(sb, KERN_ERR, "error: get root inode failed"); ret = -ENOMEM; goto failed_mount3; } if (EXT2_HAS_COMPAT_FEATURE(sb, EXT3_FEATURE_COMPAT_HAS_JOURNAL)) - ext2_warning(sb, __func__, - "mounting ext3 filesystem as ext2"); + ext2_msg(sb, KERN_WARNING, + "warning: mounting ext3 filesystem as ext2"); ext2_setup_super (sb, es, sb->s_flags & MS_RDONLY); return 0; cantfind_ext2: if (!silent) - printk("VFS: Can't find an ext2 filesystem on dev %s.\n", - sb->s_id); + ext2_msg(sb, KERN_ERR, + "error: can't find an ext2 filesystem on dev %s.", + sb->s_id); goto failed_mount; failed_mount3: percpu_counter_destroy(&sbi->s_freeblocks_counter); @@ -1089,9 +1105,30 @@ failed_sbi: return ret; } +static void ext2_clear_super_error(struct super_block *sb) +{ + struct buffer_head *sbh = EXT2_SB(sb)->s_sbh; + + if (buffer_write_io_error(sbh)) { + /* + * Oh, dear. A previous attempt to write the + * superblock failed. This could happen because the + * USB device was yanked out. Or it could happen to + * be a transient write error and maybe the block will + * be remapped. Nothing we can do but to retry the + * write and hope for the best. + */ + printk(KERN_ERR "EXT2-fs: %s previous I/O error to " + "superblock detected", sb->s_id); + clear_buffer_write_io_error(sbh); + set_buffer_uptodate(sbh); + } +} + static void ext2_commit_super (struct super_block * sb, struct ext2_super_block * es) { + ext2_clear_super_error(sb); es->s_wtime = cpu_to_le32(get_seconds()); mark_buffer_dirty(EXT2_SB(sb)->s_sbh); sb->s_dirt = 0; @@ -1099,6 +1136,7 @@ static void ext2_commit_super (struct super_block * sb, static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es) { + ext2_clear_super_error(sb); es->s_free_blocks_count = cpu_to_le32(ext2_count_free_blocks(sb)); es->s_free_inodes_count = cpu_to_le32(ext2_count_free_inodes(sb)); es->s_wtime = cpu_to_le32(get_seconds()); @@ -1121,8 +1159,24 @@ static void ext2_sync_super(struct super_block *sb, struct ext2_super_block *es) static int ext2_sync_fs(struct super_block *sb, int wait) { struct ext2_super_block *es = EXT2_SB(sb)->s_es; + struct buffer_head *sbh = EXT2_SB(sb)->s_sbh; lock_kernel(); + if (buffer_write_io_error(sbh)) { + /* + * Oh, dear. A previous attempt to write the + * superblock failed. This could happen because the + * USB device was yanked out. Or it could happen to + * be a transient write error and maybe the block will + * be remapped. Nothing we can do but to retry the + * write and hope for the best. + */ + ext2_msg(sb, KERN_ERR, + "previous I/O error to superblock detected\n"); + clear_buffer_write_io_error(sbh); + set_buffer_uptodate(sbh); + } + if (es->s_state & cpu_to_le16(EXT2_VALID_FS)) { ext2_debug("setting valid to 0\n"); es->s_state &= cpu_to_le16(~EXT2_VALID_FS); @@ -1170,7 +1224,7 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) /* * Allow the "check" option to be passed as a remount option. */ - if (!parse_options (data, sbi)) { + if (!parse_options(data, sb)) { err = -EINVAL; goto restore_opts; } @@ -1182,7 +1236,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) EXT2_MOUNT_XIP if not */ if ((ext2_use_xip(sb)) && (sb->s_blocksize != PAGE_SIZE)) { - printk("XIP: Unsupported blocksize\n"); + ext2_msg(sb, KERN_WARNING, + "warning: unsupported blocksize for xip"); err = -EINVAL; goto restore_opts; } @@ -1191,8 +1246,8 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) if (((sbi->s_mount_opt & EXT2_MOUNT_XIP) != (old_mount_opt & EXT2_MOUNT_XIP)) && invalidate_inodes(sb)) { - ext2_warning(sb, __func__, "refusing change of xip flag " - "with busy inodes while remounting"); + ext2_msg(sb, KERN_WARNING, "warning: refusing change of " + "xip flag with busy inodes while remounting"); sbi->s_mount_opt &= ~EXT2_MOUNT_XIP; sbi->s_mount_opt |= old_mount_opt & EXT2_MOUNT_XIP; } @@ -1216,9 +1271,10 @@ static int ext2_remount (struct super_block * sb, int * flags, char * data) __le32 ret = EXT2_HAS_RO_COMPAT_FEATURE(sb, ~EXT2_FEATURE_RO_COMPAT_SUPP); if (ret) { - printk("EXT2-fs: %s: couldn't remount RDWR because of " - "unsupported optional features (%x).\n", - sb->s_id, le32_to_cpu(ret)); + ext2_msg(sb, KERN_WARNING, + "warning: couldn't remount RDWR because of " + "unsupported optional features (%x).", + le32_to_cpu(ret)); err = -EROFS; goto restore_opts; } diff --git a/fs/ext2/xattr.c b/fs/ext2/xattr.c index 7913531..904f006 100644 --- a/fs/ext2/xattr.c +++ b/fs/ext2/xattr.c @@ -60,6 +60,7 @@ #include <linux/mbcache.h> #include <linux/quotaops.h> #include <linux/rwsem.h> +#include <linux/security.h> #include "ext2.h" #include "xattr.h" #include "acl.h" @@ -249,8 +250,9 @@ cleanup: * used / required on success. */ static int -ext2_xattr_list(struct inode *inode, char *buffer, size_t buffer_size) +ext2_xattr_list(struct dentry *dentry, char *buffer, size_t buffer_size) { + struct inode *inode = dentry->d_inode; struct buffer_head *bh = NULL; struct ext2_xattr_entry *entry; char *end; @@ -300,9 +302,10 @@ bad_block: ext2_error(inode->i_sb, "ext2_xattr_list", ext2_xattr_handler(entry->e_name_index); if (handler) { - size_t size = handler->list(inode, buffer, rest, + size_t size = handler->list(dentry, buffer, rest, entry->e_name, - entry->e_name_len); + entry->e_name_len, + handler->flags); if (buffer) { if (size > rest) { error = -ERANGE; @@ -330,7 +333,7 @@ cleanup: ssize_t ext2_listxattr(struct dentry *dentry, char *buffer, size_t size) { - return ext2_xattr_list(dentry->d_inode, buffer, size); + return ext2_xattr_list(dentry, buffer, size); } /* diff --git a/fs/ext2/xattr_security.c b/fs/ext2/xattr_security.c index 70c0dbd..c815584 100644 --- a/fs/ext2/xattr_security.c +++ b/fs/ext2/xattr_security.c @@ -11,8 +11,8 @@ #include "xattr.h" static size_t -ext2_xattr_security_list(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext2_xattr_security_list(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const int prefix_len = XATTR_SECURITY_PREFIX_LEN; const size_t total_len = prefix_len + name_len + 1; @@ -26,22 +26,22 @@ ext2_xattr_security_list(struct inode *inode, char *list, size_t list_size, } static int -ext2_xattr_security_get(struct inode *inode, const char *name, - void *buffer, size_t size) +ext2_xattr_security_get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext2_xattr_get(inode, EXT2_XATTR_INDEX_SECURITY, name, + return ext2_xattr_get(dentry->d_inode, EXT2_XATTR_INDEX_SECURITY, name, buffer, size); } static int -ext2_xattr_security_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +ext2_xattr_security_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext2_xattr_set(inode, EXT2_XATTR_INDEX_SECURITY, name, + return ext2_xattr_set(dentry->d_inode, EXT2_XATTR_INDEX_SECURITY, name, value, size, flags); } diff --git a/fs/ext2/xattr_trusted.c b/fs/ext2/xattr_trusted.c index e8219f8..2a26d71 100644 --- a/fs/ext2/xattr_trusted.c +++ b/fs/ext2/xattr_trusted.c @@ -13,8 +13,8 @@ #include "xattr.h" static size_t -ext2_xattr_trusted_list(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext2_xattr_trusted_list(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const int prefix_len = XATTR_TRUSTED_PREFIX_LEN; const size_t total_len = prefix_len + name_len + 1; @@ -31,22 +31,22 @@ ext2_xattr_trusted_list(struct inode *inode, char *list, size_t list_size, } static int -ext2_xattr_trusted_get(struct inode *inode, const char *name, - void *buffer, size_t size) +ext2_xattr_trusted_get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext2_xattr_get(inode, EXT2_XATTR_INDEX_TRUSTED, name, + return ext2_xattr_get(dentry->d_inode, EXT2_XATTR_INDEX_TRUSTED, name, buffer, size); } static int -ext2_xattr_trusted_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +ext2_xattr_trusted_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { if (strcmp(name, "") == 0) return -EINVAL; - return ext2_xattr_set(inode, EXT2_XATTR_INDEX_TRUSTED, name, + return ext2_xattr_set(dentry->d_inode, EXT2_XATTR_INDEX_TRUSTED, name, value, size, flags); } diff --git a/fs/ext2/xattr_user.c b/fs/ext2/xattr_user.c index 92495d2..3f6caf3 100644 --- a/fs/ext2/xattr_user.c +++ b/fs/ext2/xattr_user.c @@ -12,13 +12,13 @@ #include "xattr.h" static size_t -ext2_xattr_user_list(struct inode *inode, char *list, size_t list_size, - const char *name, size_t name_len) +ext2_xattr_user_list(struct dentry *dentry, char *list, size_t list_size, + const char *name, size_t name_len, int type) { const size_t prefix_len = XATTR_USER_PREFIX_LEN; const size_t total_len = prefix_len + name_len + 1; - if (!test_opt(inode->i_sb, XATTR_USER)) + if (!test_opt(dentry->d_sb, XATTR_USER)) return 0; if (list && total_len <= list_size) { @@ -30,27 +30,28 @@ ext2_xattr_user_list(struct inode *inode, char *list, size_t list_size, } static int -ext2_xattr_user_get(struct inode *inode, const char *name, - void *buffer, size_t size) +ext2_xattr_user_get(struct dentry *dentry, const char *name, + void *buffer, size_t size, int type) { if (strcmp(name, "") == 0) return -EINVAL; - if (!test_opt(inode->i_sb, XATTR_USER)) + if (!test_opt(dentry->d_sb, XATTR_USER)) return -EOPNOTSUPP; - return ext2_xattr_get(inode, EXT2_XATTR_INDEX_USER, name, buffer, size); + return ext2_xattr_get(dentry->d_inode, EXT2_XATTR_INDEX_USER, + name, buffer, size); } static int -ext2_xattr_user_set(struct inode *inode, const char *name, - const void *value, size_t size, int flags) +ext2_xattr_user_set(struct dentry *dentry, const char *name, + const void *value, size_t size, int flags, int type) { if (strcmp(name, "") == 0) return -EINVAL; - if (!test_opt(inode->i_sb, XATTR_USER)) + if (!test_opt(dentry->d_sb, XATTR_USER)) return -EOPNOTSUPP; - return ext2_xattr_set(inode, EXT2_XATTR_INDEX_USER, name, - value, size, flags); + return ext2_xattr_set(dentry->d_inode, EXT2_XATTR_INDEX_USER, + name, value, size, flags); } struct xattr_handler ext2_xattr_user_handler = { diff --git a/fs/ext2/xip.c b/fs/ext2/xip.c index c18fbf3..322a56b 100644 --- a/fs/ext2/xip.c +++ b/fs/ext2/xip.c @@ -69,8 +69,9 @@ void ext2_xip_verify_sb(struct super_block *sb) if ((sbi->s_mount_opt & EXT2_MOUNT_XIP) && !sb->s_bdev->bd_disk->fops->direct_access) { sbi->s_mount_opt &= (~EXT2_MOUNT_XIP); - ext2_warning(sb, __func__, - "ignoring xip option - not supported by bdev"); + ext2_msg(sb, KERN_WARNING, + "warning: ignoring xip option - " + "not supported by bdev"); } } |