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author | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2010-08-04 15:14:38 +0200 |
commit | d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f (patch) | |
tree | 854ab394486288d40fa8179cbfaf66e8bdc44b0f /fs/xfs/xfs_utils.c | |
parent | 73b2c7165b76b20eb1290e7efebc33cfd21db1ca (diff) | |
parent | 3a09b1be53d23df780a0cd0e4087a05e2ca4a00c (diff) | |
download | op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.zip op-kernel-dev-d790d4d583aeaed9fc6f8a9f4d9f8ce6b1c15c7f.tar.gz |
Merge branch 'master' into for-next
Diffstat (limited to 'fs/xfs/xfs_utils.c')
-rw-r--r-- | fs/xfs/xfs_utils.c | 87 |
1 files changed, 0 insertions, 87 deletions
diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c index 4d88616..b7d5769 100644 --- a/fs/xfs/xfs_utils.c +++ b/fs/xfs/xfs_utils.c @@ -25,18 +25,14 @@ #include "xfs_sb.h" #include "xfs_ag.h" #include "xfs_dir2.h" -#include "xfs_dmapi.h" #include "xfs_mount.h" #include "xfs_bmap_btree.h" -#include "xfs_dir2_sf.h" -#include "xfs_attr_sf.h" #include "xfs_dinode.h" #include "xfs_inode.h" #include "xfs_inode_item.h" #include "xfs_bmap.h" #include "xfs_error.h" #include "xfs_quota.h" -#include "xfs_rw.h" #include "xfs_itable.h" #include "xfs_utils.h" @@ -324,86 +320,3 @@ xfs_bumplink( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); return 0; } - -/* - * Try to truncate the given file to 0 length. Currently called - * only out of xfs_remove when it has to truncate a file to free - * up space for the remove to proceed. - */ -int -xfs_truncate_file( - xfs_mount_t *mp, - xfs_inode_t *ip) -{ - xfs_trans_t *tp; - int error; - -#ifdef QUOTADEBUG - /* - * This is called to truncate the quotainodes too. - */ - if (XFS_IS_UQUOTA_ON(mp)) { - if (ip->i_ino != mp->m_sb.sb_uquotino) - ASSERT(ip->i_udquot); - } - if (XFS_IS_OQUOTA_ON(mp)) { - if (ip->i_ino != mp->m_sb.sb_gquotino) - ASSERT(ip->i_gdquot); - } -#endif - /* - * Make the call to xfs_itruncate_start before starting the - * transaction, because we cannot make the call while we're - * in a transaction. - */ - xfs_ilock(ip, XFS_IOLOCK_EXCL); - error = xfs_itruncate_start(ip, XFS_ITRUNC_DEFINITE, (xfs_fsize_t)0); - if (error) { - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return error; - } - - tp = xfs_trans_alloc(mp, XFS_TRANS_TRUNCATE_FILE); - if ((error = xfs_trans_reserve(tp, 0, XFS_ITRUNCATE_LOG_RES(mp), 0, - XFS_TRANS_PERM_LOG_RES, - XFS_ITRUNCATE_LOG_COUNT))) { - xfs_trans_cancel(tp, 0); - xfs_iunlock(ip, XFS_IOLOCK_EXCL); - return error; - } - - /* - * Follow the normal truncate locking protocol. Since we - * hold the inode in the transaction, we know that its number - * of references will stay constant. - */ - xfs_ilock(ip, XFS_ILOCK_EXCL); - xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - xfs_trans_ihold(tp, ip); - /* - * Signal a sync xaction. The only case where that isn't - * the case is if we're truncating an already unlinked file - * on a wsync fs. In that case, we know the blocks can't - * reappear in the file because the links to file are - * permanently toast. Currently, we're always going to - * want a sync transaction because this code is being - * called from places where nlink is guaranteed to be 1 - * but I'm leaving the tests in to protect against future - * changes -- rcc. - */ - error = xfs_itruncate_finish(&tp, ip, (xfs_fsize_t)0, - XFS_DATA_FORK, - ((ip->i_d.di_nlink != 0 || - !(mp->m_flags & XFS_MOUNT_WSYNC)) - ? 1 : 0)); - if (error) { - xfs_trans_cancel(tp, XFS_TRANS_RELEASE_LOG_RES | - XFS_TRANS_ABORT); - } else { - xfs_ichgtime(ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); - error = xfs_trans_commit(tp, XFS_TRANS_RELEASE_LOG_RES); - } - xfs_iunlock(ip, XFS_ILOCK_EXCL | XFS_IOLOCK_EXCL); - - return error; -} |