diff options
Diffstat (limited to 'fs/xfs/libxfs/xfs_inode_util.c')
| -rw-r--r-- | fs/xfs/libxfs/xfs_inode_util.c | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/fs/xfs/libxfs/xfs_inode_util.c b/fs/xfs/libxfs/xfs_inode_util.c index 5795445ef4bd..032333289113 100644 --- a/fs/xfs/libxfs/xfs_inode_util.c +++ b/fs/xfs/libxfs/xfs_inode_util.c @@ -22,6 +22,7 @@ #include "xfs_trace.h" #include "xfs_ag.h" #include "xfs_iunlink_item.h" +#include "xfs_inode_item.h" uint16_t xfs_flags2diflags( @@ -695,3 +696,54 @@ xfs_bumplink( xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); } + +/* Free an inode in the ondisk index and zero it out. */ +int +xfs_inode_uninit( + struct xfs_trans *tp, + struct xfs_perag *pag, + struct xfs_inode *ip, + struct xfs_icluster *xic) +{ + struct xfs_mount *mp = ip->i_mount; + int error; + + /* + * Free the inode first so that we guarantee that the AGI lock is going + * to be taken before we remove the inode from the unlinked list. This + * makes the AGI lock -> unlinked list modification order the same as + * used in O_TMPFILE creation. + */ + error = xfs_difree(tp, pag, ip->i_ino, xic); + if (error) + return error; + + error = xfs_iunlink_remove(tp, pag, ip); + if (error) + return error; + + /* + * Free any local-format data sitting around before we reset the + * data fork to extents format. Note that the attr fork data has + * already been freed by xfs_attr_inactive. + */ + if (ip->i_df.if_format == XFS_DINODE_FMT_LOCAL) { + kfree(ip->i_df.if_data); + ip->i_df.if_data = NULL; + ip->i_df.if_bytes = 0; + } + + VFS_I(ip)->i_mode = 0; /* mark incore inode as free */ + ip->i_diflags = 0; + ip->i_diflags2 = mp->m_ino_geo.new_diflags2; + ip->i_forkoff = 0; /* mark the attr fork not in use */ + ip->i_df.if_format = XFS_DINODE_FMT_EXTENTS; + + /* + * Bump the generation count so no one will be confused + * by reincarnations of this inode. + */ + VFS_I(ip)->i_generation++; + xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); + return 0; +} |