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author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-01-22 07:55:25 (GMT) |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2010-01-22 07:55:25 (GMT) |
commit | 7755726fe90a8b253659756e6de68c1a55aa427f (patch) | |
tree | a3523fa77e07854db3b8089e3066a55ea997060c /fs/xfs/xfs_vnodeops.c | |
parent | 3bf127637e22ddf95e67e10a23c339cee3d52429 (diff) | |
parent | 92dcffb916d309aa01778bf8963a6932e4014d07 (diff) | |
download | linux-fsl-qoriq-7755726fe90a8b253659756e6de68c1a55aa427f.tar.xz |
Merge commit 'v2.6.33-rc5' into next
Diffstat (limited to 'fs/xfs/xfs_vnodeops.c')
-rw-r--r-- | fs/xfs/xfs_vnodeops.c | 101 |
1 files changed, 40 insertions, 61 deletions
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 578f3f5..6f26875 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -53,6 +53,7 @@ #include "xfs_log_priv.h" #include "xfs_filestream.h" #include "xfs_vnodeops.h" +#include "xfs_trace.h" int xfs_setattr( @@ -69,7 +70,6 @@ xfs_setattr( uint commit_flags=0; uid_t uid=0, iuid=0; gid_t gid=0, igid=0; - int timeflags = 0; struct xfs_dquot *udqp, *gdqp, *olddquot1, *olddquot2; int need_iolock = 1; @@ -134,16 +134,13 @@ xfs_setattr( if (flags & XFS_ATTR_NOLOCK) need_iolock = 0; if (!(mask & ATTR_SIZE)) { - if ((mask != (ATTR_CTIME|ATTR_ATIME|ATTR_MTIME)) || - (mp->m_flags & XFS_MOUNT_WSYNC)) { - tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE); - commit_flags = 0; - if ((code = xfs_trans_reserve(tp, 0, - XFS_ICHANGE_LOG_RES(mp), 0, - 0, 0))) { - lock_flags = 0; - goto error_return; - } + tp = xfs_trans_alloc(mp, XFS_TRANS_SETATTR_NOT_SIZE); + commit_flags = 0; + code = xfs_trans_reserve(tp, 0, XFS_ICHANGE_LOG_RES(mp), + 0, 0, 0); + if (code) { + lock_flags = 0; + goto error_return; } } else { if (DM_EVENT_ENABLED(ip, DM_EVENT_TRUNCATE) && @@ -294,15 +291,23 @@ xfs_setattr( * or we are explicitly asked to change it. This handles * the semantic difference between truncate() and ftruncate() * as implemented in the VFS. + * + * The regular truncate() case without ATTR_CTIME and ATTR_MTIME + * is a special case where we need to update the times despite + * not having these flags set. For all other operations the + * VFS set these flags explicitly if it wants a timestamp + * update. */ - if (iattr->ia_size != ip->i_size || (mask & ATTR_CTIME)) - timeflags |= XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG; + if (iattr->ia_size != ip->i_size && + (!(mask & (ATTR_CTIME | ATTR_MTIME)))) { + iattr->ia_ctime = iattr->ia_mtime = + current_fs_time(inode->i_sb); + mask |= ATTR_CTIME | ATTR_MTIME; + } if (iattr->ia_size > ip->i_size) { ip->i_d.di_size = iattr->ia_size; ip->i_size = iattr->ia_size; - if (!(flags & XFS_ATTR_DMI)) - xfs_ichgtime(ip, XFS_ICHGTIME_CHG); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); } else if (iattr->ia_size <= ip->i_size || (iattr->ia_size == 0 && ip->i_d.di_nextents)) { @@ -373,9 +378,6 @@ xfs_setattr( ip->i_d.di_gid = gid; inode->i_gid = gid; } - - xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE); - timeflags |= XFS_ICHGTIME_CHG; } /* @@ -392,51 +394,37 @@ xfs_setattr( inode->i_mode &= S_IFMT; inode->i_mode |= mode & ~S_IFMT; - - xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - timeflags |= XFS_ICHGTIME_CHG; } /* * Change file access or modified times. */ - if (mask & (ATTR_ATIME|ATTR_MTIME)) { - if (mask & ATTR_ATIME) { - inode->i_atime = iattr->ia_atime; - ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec; - ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec; - ip->i_update_core = 1; - } - if (mask & ATTR_MTIME) { - inode->i_mtime = iattr->ia_mtime; - ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; - ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; - timeflags &= ~XFS_ICHGTIME_MOD; - timeflags |= XFS_ICHGTIME_CHG; - } - if (tp && (mask & (ATTR_MTIME_SET|ATTR_ATIME_SET))) - xfs_trans_log_inode (tp, ip, XFS_ILOG_CORE); + if (mask & ATTR_ATIME) { + inode->i_atime = iattr->ia_atime; + ip->i_d.di_atime.t_sec = iattr->ia_atime.tv_sec; + ip->i_d.di_atime.t_nsec = iattr->ia_atime.tv_nsec; + ip->i_update_core = 1; } - - /* - * Change file inode change time only if ATTR_CTIME set - * AND we have been called by a DMI function. - */ - - if ((flags & XFS_ATTR_DMI) && (mask & ATTR_CTIME)) { + if (mask & ATTR_CTIME) { inode->i_ctime = iattr->ia_ctime; ip->i_d.di_ctime.t_sec = iattr->ia_ctime.tv_sec; ip->i_d.di_ctime.t_nsec = iattr->ia_ctime.tv_nsec; ip->i_update_core = 1; - timeflags &= ~XFS_ICHGTIME_CHG; + } + if (mask & ATTR_MTIME) { + inode->i_mtime = iattr->ia_mtime; + ip->i_d.di_mtime.t_sec = iattr->ia_mtime.tv_sec; + ip->i_d.di_mtime.t_nsec = iattr->ia_mtime.tv_nsec; + ip->i_update_core = 1; } /* - * Send out timestamp changes that need to be set to the - * current time. Not done when called by a DMI function. + * And finally, log the inode core if any attribute in it + * has been changed. */ - if (timeflags && !(flags & XFS_ATTR_DMI)) - xfs_ichgtime(ip, timeflags); + if (mask & (ATTR_UID|ATTR_GID|ATTR_MODE| + ATTR_ATIME|ATTR_CTIME|ATTR_MTIME)) + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); XFS_STATS_INC(xs_ig_attrchg); @@ -451,12 +439,10 @@ xfs_setattr( * mix so this probably isn't worth the trouble to optimize. */ code = 0; - if (tp) { - if (mp->m_flags & XFS_MOUNT_WSYNC) - xfs_trans_set_sync(tp); + if (mp->m_flags & XFS_MOUNT_WSYNC) + xfs_trans_set_sync(tp); - code = xfs_trans_commit(tp, commit_flags); - } + code = xfs_trans_commit(tp, commit_flags); xfs_iunlock(ip, lock_flags); @@ -1397,7 +1383,6 @@ xfs_lookup( if (error) goto out_free_name; - xfs_itrace_ref(*ipp); return 0; out_free_name: @@ -1543,7 +1528,6 @@ xfs_create( * At this point, we've gotten a newly allocated inode. * It is locked (and joined to the transaction). */ - xfs_itrace_ref(ip); ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL)); /* @@ -2003,9 +1987,6 @@ xfs_remove( if (!is_dir && link_zero && xfs_inode_is_filestream(ip)) xfs_filestream_deassociate(ip); - xfs_itrace_exit(ip); - xfs_itrace_exit(dp); - std_return: if (DM_EVENT_ENABLED(dp, DM_EVENT_POSTREMOVE)) { XFS_SEND_NAMESP(mp, DM_EVENT_POSTREMOVE, dp, DM_RIGHT_NULL, @@ -2302,7 +2283,6 @@ xfs_symlink( goto error_return; goto error1; } - xfs_itrace_ref(ip); /* * An error after we've joined dp to the transaction will result in the @@ -2845,7 +2825,6 @@ xfs_free_file_space( ioffset = offset & ~(rounding - 1); if (VN_CACHED(VFS_I(ip)) != 0) { - xfs_inval_cached_trace(ip, ioffset, -1, ioffset, -1); error = xfs_flushinval_pages(ip, ioffset, -1, FI_REMAPF_LOCKED); if (error) goto out_unlock_iolock; |