diff options
author | James Morris <jmorris@namei.org> | 2009-02-06 00:01:45 (GMT) |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-02-06 00:01:45 (GMT) |
commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
tree | 7c06d8f30783115e3384721046258ce615b129c5 /fs/ocfs2/quota.h | |
parent | 8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff) | |
parent | f01d1d546abb2f4028b5299092f529eefb01253a (diff) | |
download | linux-cb5629b10d64a8006622ce3a52bc887d91057d69.tar.xz |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'fs/ocfs2/quota.h')
-rw-r--r-- | fs/ocfs2/quota.h | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/fs/ocfs2/quota.h b/fs/ocfs2/quota.h new file mode 100644 index 0000000..7365e2e --- /dev/null +++ b/fs/ocfs2/quota.h @@ -0,0 +1,119 @@ +/* + * quota.h for OCFS2 + * + * On disk quota structures for local and global quota file, in-memory + * structures. + * + */ + +#ifndef _OCFS2_QUOTA_H +#define _OCFS2_QUOTA_H + +#include <linux/types.h> +#include <linux/slab.h> +#include <linux/quota.h> +#include <linux/list.h> +#include <linux/dqblk_qtree.h> + +#include "ocfs2.h" + +/* Common stuff */ +/* id number of quota format */ +#define QFMT_OCFS2 3 + +/* + * In-memory structures + */ +struct ocfs2_dquot { + struct dquot dq_dquot; /* Generic VFS dquot */ + loff_t dq_local_off; /* Offset in the local quota file */ + struct ocfs2_quota_chunk *dq_chunk; /* Chunk dquot is in */ + unsigned int dq_use_count; /* Number of nodes having reference to this entry in global quota file */ + s64 dq_origspace; /* Last globally synced space usage */ + s64 dq_originodes; /* Last globally synced inode usage */ +}; + +/* Description of one chunk to recover in memory */ +struct ocfs2_recovery_chunk { + struct list_head rc_list; /* List of chunks */ + int rc_chunk; /* Chunk number */ + unsigned long *rc_bitmap; /* Bitmap of entries to recover */ +}; + +struct ocfs2_quota_recovery { + struct list_head r_list[MAXQUOTAS]; /* List of chunks to recover */ +}; + +/* In-memory structure with quota header information */ +struct ocfs2_mem_dqinfo { + unsigned int dqi_type; /* Quota type this structure describes */ + unsigned int dqi_chunks; /* Number of chunks in local quota file */ + unsigned int dqi_blocks; /* Number of blocks allocated for local quota file */ + unsigned int dqi_syncms; /* How often should we sync with other nodes */ + unsigned int dqi_syncjiff; /* Precomputed dqi_syncms in jiffies */ + struct list_head dqi_chunk; /* List of chunks */ + struct inode *dqi_gqinode; /* Global quota file inode */ + struct ocfs2_lock_res dqi_gqlock; /* Lock protecting quota information structure */ + struct buffer_head *dqi_gqi_bh; /* Buffer head with global quota file inode - set only if inode lock is obtained */ + int dqi_gqi_count; /* Number of holders of dqi_gqi_bh */ + struct buffer_head *dqi_lqi_bh; /* Buffer head with local quota file inode */ + struct buffer_head *dqi_ibh; /* Buffer with information header */ + struct qtree_mem_dqinfo dqi_gi; /* Info about global file */ + struct delayed_work dqi_sync_work; /* Work for syncing dquots */ + struct ocfs2_quota_recovery *dqi_rec; /* Pointer to recovery + * information, in case we + * enable quotas on file + * needing it */ +}; + +static inline struct ocfs2_dquot *OCFS2_DQUOT(struct dquot *dquot) +{ + return container_of(dquot, struct ocfs2_dquot, dq_dquot); +} + +struct ocfs2_quota_chunk { + struct list_head qc_chunk; /* List of quotafile chunks */ + int qc_num; /* Number of quota chunk */ + struct buffer_head *qc_headerbh; /* Buffer head with chunk header */ +}; + +extern struct kmem_cache *ocfs2_dquot_cachep; +extern struct kmem_cache *ocfs2_qf_chunk_cachep; + +extern struct qtree_fmt_operations ocfs2_global_ops; + +struct ocfs2_quota_recovery *ocfs2_begin_quota_recovery( + struct ocfs2_super *osb, int slot_num); +int ocfs2_finish_quota_recovery(struct ocfs2_super *osb, + struct ocfs2_quota_recovery *rec, + int slot_num); +void ocfs2_free_quota_recovery(struct ocfs2_quota_recovery *rec); +ssize_t ocfs2_quota_read(struct super_block *sb, int type, char *data, + size_t len, loff_t off); +ssize_t ocfs2_quota_write(struct super_block *sb, int type, + const char *data, size_t len, loff_t off); +int ocfs2_global_read_info(struct super_block *sb, int type); +int ocfs2_global_write_info(struct super_block *sb, int type); +int ocfs2_global_read_dquot(struct dquot *dquot); +int __ocfs2_sync_dquot(struct dquot *dquot, int freeing); +static inline int ocfs2_sync_dquot(struct dquot *dquot) +{ + return __ocfs2_sync_dquot(dquot, 0); +} +static inline int ocfs2_global_release_dquot(struct dquot *dquot) +{ + return __ocfs2_sync_dquot(dquot, 1); +} + +int ocfs2_lock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); +void ocfs2_unlock_global_qf(struct ocfs2_mem_dqinfo *oinfo, int ex); +int ocfs2_read_quota_block(struct inode *inode, u64 v_block, + struct buffer_head **bh); + +extern struct dquot_operations ocfs2_quota_operations; +extern struct quota_format_type ocfs2_quota_format; + +int ocfs2_quota_setup(void); +void ocfs2_quota_shutdown(void); + +#endif /* _OCFS2_QUOTA_H */ |