diff options
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 43 | ||||
| -rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.h | 5 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.c | 45 | ||||
| -rw-r--r-- | fs/xfs/xfs_vnodeops.h | 1 |
4 files changed, 37 insertions, 57 deletions
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index c71e226..faf3aa3 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -990,26 +990,57 @@ xfs_fs_write_inode( int sync) { struct xfs_inode *ip = XFS_I(inode); + struct xfs_mount *mp = ip->i_mount; int error = 0; - int flags = 0; xfs_itrace_entry(ip); + + if (XFS_FORCED_SHUTDOWN(mp)) + return XFS_ERROR(EIO); + if (sync) { error = xfs_wait_on_pages(ip, 0, -1); if (error) - goto out_error; - flags |= FLUSH_SYNC; + goto out; + } + + /* + * Bypass inodes which have already been cleaned by + * the inode flush clustering code inside xfs_iflush + */ + if (xfs_inode_clean(ip)) + goto out; + + /* + * We make this non-blocking if the inode is contended, return + * EAGAIN to indicate to the caller that they did not succeed. + * This prevents the flush path from blocking on inodes inside + * another operation right now, they get caught later by xfs_sync. + */ + if (sync) { + xfs_ilock(ip, XFS_ILOCK_SHARED); + xfs_iflock(ip); + + error = xfs_iflush(ip, XFS_IFLUSH_SYNC); + } else { + error = EAGAIN; + if (!xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) + goto out; + if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) + goto out_unlock; + + error = xfs_iflush(ip, XFS_IFLUSH_ASYNC_NOBLOCK); } - error = xfs_inode_flush(ip, flags); -out_error: + out_unlock: + xfs_iunlock(ip, XFS_ILOCK_SHARED); + out: /* * if we failed to write out the inode then mark * it dirty again so we'll try again later. */ if (error) xfs_mark_inode_dirty_sync(ip); - return -error; } diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index f65983a..ea4675c 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -41,11 +41,6 @@ struct attrlist_cursor_kern; #define IO_INVIS 0x00020 /* don't update inode timestamps */ /* - * Flags for xfs_inode_flush - */ -#define FLUSH_SYNC 1 /* wait for flush to complete */ - -/* * Flush/Invalidate options for vop_toss/flush/flushinval_pages. */ #define FI_NONE 0 /* none */ diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c index 4229408..bc0a0a7 100644 --- a/fs/xfs/xfs_vnodeops.c +++ b/fs/xfs/xfs_vnodeops.c @@ -2589,51 +2589,6 @@ std_return: } int -xfs_inode_flush( - xfs_inode_t *ip, - int flags) -{ - xfs_mount_t *mp = ip->i_mount; - int error = 0; - - if (XFS_FORCED_SHUTDOWN(mp)) - return XFS_ERROR(EIO); - - /* - * Bypass inodes which have already been cleaned by - * the inode flush clustering code inside xfs_iflush - */ - if (xfs_inode_clean(ip)) - return 0; - - /* - * We make this non-blocking if the inode is contended, - * return EAGAIN to indicate to the caller that they - * did not succeed. This prevents the flush path from - * blocking on inodes inside another operation right - * now, they get caught later by xfs_sync. - */ - if (flags & FLUSH_SYNC) { - xfs_ilock(ip, XFS_ILOCK_SHARED); - xfs_iflock(ip); - } else if (xfs_ilock_nowait(ip, XFS_ILOCK_SHARED)) { - if (xfs_ipincount(ip) || !xfs_iflock_nowait(ip)) { - xfs_iunlock(ip, XFS_ILOCK_SHARED); - return EAGAIN; - } - } else { - return EAGAIN; - } - - error = xfs_iflush(ip, (flags & FLUSH_SYNC) ? XFS_IFLUSH_SYNC - : XFS_IFLUSH_ASYNC_NOBLOCK); - xfs_iunlock(ip, XFS_ILOCK_SHARED); - - return error; -} - - -int xfs_set_dmattrs( xfs_inode_t *ip, u_int evmask, diff --git a/fs/xfs/xfs_vnodeops.h b/fs/xfs/xfs_vnodeops.h index 76df328..2258df3 100644 --- a/fs/xfs/xfs_vnodeops.h +++ b/fs/xfs/xfs_vnodeops.h @@ -38,7 +38,6 @@ int xfs_readdir(struct xfs_inode *dp, void *dirent, size_t bufsize, int xfs_symlink(struct xfs_inode *dp, struct xfs_name *link_name, const char *target_path, mode_t mode, struct xfs_inode **ipp, cred_t *credp); -int xfs_inode_flush(struct xfs_inode *ip, int flags); int xfs_set_dmattrs(struct xfs_inode *ip, u_int evmask, u_int16_t state); int xfs_reclaim(struct xfs_inode *ip); int xfs_change_file_space(struct xfs_inode *ip, int cmd, |