diff options
author | Dave Chinner <david@fromorbit.com> | 2016-03-07 09:30:32 +1100 |
---|---|---|
committer | Dave Chinner <david@fromorbit.com> | 2016-03-07 09:30:32 +1100 |
commit | a2bbcb60ff9a8e8a4159e11bc3ed84f7221fe79f (patch) | |
tree | 892f8d40b2267422d2d38a62acace8ed613f71a8 /fs/xfs | |
parent | 6d247d47fbd6883f7096e0e672afbdba6286dbc4 (diff) | |
parent | c19b3b05ae440de50fffe2ac2a9b27392a7448e9 (diff) |
Merge branch 'xfs-gut-icdinode-4.6' into for-next
Diffstat (limited to 'fs/xfs')
-rw-r--r-- | fs/xfs/libxfs/xfs_bmap.c | 6 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_dir2.c | 12 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.c | 170 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_buf.h | 38 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_inode_fork.c | 2 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_log_format.h | 17 | ||||
-rw-r--r-- | fs/xfs/libxfs/xfs_rtbitmap.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_bmap_util.c | 4 | ||||
-rw-r--r-- | fs/xfs/xfs_dir2_readdir.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_export.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_file.c | 6 | ||||
-rw-r--r-- | fs/xfs/xfs_filestream.c | 4 | ||||
-rw-r--r-- | fs/xfs/xfs_icache.c | 43 | ||||
-rw-r--r-- | fs/xfs/xfs_inode.c | 172 | ||||
-rw-r--r-- | fs/xfs/xfs_inode.h | 8 | ||||
-rw-r--r-- | fs/xfs/xfs_inode_item.c | 82 | ||||
-rw-r--r-- | fs/xfs/xfs_ioctl.c | 16 | ||||
-rw-r--r-- | fs/xfs/xfs_iops.c | 53 | ||||
-rw-r--r-- | fs/xfs/xfs_itable.c | 22 | ||||
-rw-r--r-- | fs/xfs/xfs_log_recover.c | 58 | ||||
-rw-r--r-- | fs/xfs/xfs_mount.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_rtalloc.c | 2 | ||||
-rw-r--r-- | fs/xfs/xfs_trans_inode.c | 14 |
23 files changed, 429 insertions, 308 deletions
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c index ef00156f4f96..6a051662d8f9 100644 --- a/fs/xfs/libxfs/xfs_bmap.c +++ b/fs/xfs/libxfs/xfs_bmap.c @@ -912,7 +912,7 @@ xfs_bmap_local_to_extents( * We don't want to deal with the case of keeping inode data inline yet. * So sending the data fork of a regular inode is invalid. */ - ASSERT(!(S_ISREG(ip->i_d.di_mode) && whichfork == XFS_DATA_FORK)); + ASSERT(!(S_ISREG(VFS_I(ip)->i_mode) && whichfork == XFS_DATA_FORK)); ifp = XFS_IFORK_PTR(ip, whichfork); ASSERT(XFS_IFORK_FORMAT(ip, whichfork) == XFS_DINODE_FMT_LOCAL); @@ -1079,7 +1079,7 @@ xfs_bmap_add_attrfork_local( if (ip->i_df.if_bytes <= XFS_IFORK_DSIZE(ip)) return 0; - if (S_ISDIR(ip->i_d.di_mode)) { + if (S_ISDIR(VFS_I(ip)->i_mode)) { memset(&dargs, 0, sizeof(dargs)); dargs.geo = ip->i_mount->m_dir_geo; dargs.dp = ip; @@ -1091,7 +1091,7 @@ xfs_bmap_add_attrfork_local( return xfs_dir2_sf_to_block(&dargs); } - if (S_ISLNK(ip->i_d.di_mode)) + if (S_ISLNK(VFS_I(ip)->i_mode)) return xfs_bmap_local_to_extents(tp, ip, firstblock, 1, flags, XFS_DATA_FORK, xfs_symlink_local_to_remote); diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c index 2fb53a5c0a74..af0f9d171f8a 100644 --- a/fs/xfs/libxfs/xfs_dir2.c +++ b/fs/xfs/libxfs/xfs_dir2.c @@ -176,7 +176,7 @@ xfs_dir_isempty( { xfs_dir2_sf_hdr_t *sfp; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); if (dp->i_d.di_size == 0) /* might happen during shutdown. */ return 1; if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp)) @@ -231,7 +231,7 @@ xfs_dir_init( struct xfs_da_args *args; int error; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino); if (error) return error; @@ -266,7 +266,7 @@ xfs_dir_createname( int rval; int v; /* type-checking value */ - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); if (inum) { rval = xfs_dir_ino_validate(tp->t_mountp, inum); if (rval) @@ -364,7 +364,7 @@ xfs_dir_lookup( int v; /* type-checking value */ int lock_mode; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); XFS_STATS_INC(dp->i_mount, xs_dir_lookup); /* @@ -443,7 +443,7 @@ xfs_dir_removename( int rval; int v; /* type-checking value */ - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); XFS_STATS_INC(dp->i_mount, xs_dir_remove); args = kmem_zalloc(sizeof(*args), KM_SLEEP | KM_NOFS); @@ -505,7 +505,7 @@ xfs_dir_replace( int rval; int v; /* type-checking value */ - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); rval = xfs_dir_ino_validate(tp->t_mountp, inum); if (rval) diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c index 1aabfda669b0..9d9559eb2835 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.c +++ b/fs/xfs/libxfs/xfs_inode_buf.c @@ -195,28 +195,50 @@ xfs_imap_to_bp( } void -xfs_dinode_from_disk( - xfs_icdinode_t *to, - xfs_dinode_t *from) +xfs_inode_from_disk( + struct xfs_inode *ip, + struct xfs_dinode *from) { - to->di_magic = be16_to_cpu(from->di_magic); - to->di_mode = be16_to_cpu(from->di_mode); - to->di_version = from ->di_version; + struct xfs_icdinode *to = &ip->i_d; + struct inode *inode = VFS_I(ip); + + + /* + * Convert v1 inodes immediately to v2 inode format as this is the + * minimum inode version format we support in the rest of the code. + */ + to->di_version = from->di_version; + if (to->di_version == 1) { + set_nlink(inode, be16_to_cpu(from->di_onlink)); + to->di_projid_lo = 0; + to->di_projid_hi = 0; + to->di_version = 2; + } else { + set_nlink(inode, be32_to_cpu(from->di_nlink)); + to->di_projid_lo = be16_to_cpu(from->di_projid_lo); + to->di_projid_hi = be16_to_cpu(from->di_projid_hi); + } + to->di_format = from->di_format; - to->di_onlink = be16_to_cpu(from->di_onlink); to->di_uid = be32_to_cpu(from->di_uid); to->di_gid = be32_to_cpu(from->di_gid); - to->di_nlink = be32_to_cpu(from->di_nlink); - to->di_projid_lo = be16_to_cpu(from->di_projid_lo); - to->di_projid_hi = be16_to_cpu(from->di_projid_hi); - memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad)); to->di_flushiter = be16_to_cpu(from->di_flushiter); - to->di_atime.t_sec = be32_to_cpu(from->di_atime.t_sec); - to->di_atime.t_nsec = be32_to_cpu(from->di_atime.t_nsec); - to->di_mtime.t_sec = be32_to_cpu(from->di_mtime.t_sec); - to->di_mtime.t_nsec = be32_to_cpu(from->di_mtime.t_nsec); - to->di_ctime.t_sec = be32_to_cpu(from->di_ctime.t_sec); - to->di_ctime.t_nsec = be32_to_cpu(from->di_ctime.t_nsec); + + /* + * Time is signed, so need to convert to signed 32 bit before + * storing in inode timestamp which may be 64 bit. Otherwise + * a time before epoch is converted to a time long after epoch + * on 64 bit systems. + */ + inode->i_atime.tv_sec = (int)be32_to_cpu(from->di_atime.t_sec); + inode->i_atime.tv_nsec = (int)be32_to_cpu(from->di_atime.t_nsec); + inode->i_mtime.tv_sec = (int)be32_to_cpu(from->di_mtime.t_sec); + inode->i_mtime.tv_nsec = (int)be32_to_cpu(from->di_mtime.t_nsec); + inode->i_ctime.tv_sec = (int)be32_to_cpu(from->di_ctime.t_sec); + inode->i_ctime.tv_nsec = (int)be32_to_cpu(from->di_ctime.t_nsec); + inode->i_generation = be32_to_cpu(from->di_gen); + inode->i_mode = be16_to_cpu(from->di_mode); + to->di_size = be64_to_cpu(from->di_size); to->di_nblocks = be64_to_cpu(from->di_nblocks); to->di_extsize = be32_to_cpu(from->di_extsize); @@ -227,42 +249,96 @@ xfs_dinode_from_disk( to->di_dmevmask = be32_to_cpu(from->di_dmevmask); to->di_dmstate = be16_to_cpu(from->di_dmstate); to->di_flags = be16_to_cpu(from->di_flags); - to->di_gen = be32_to_cpu(from->di_gen); if (to->di_version == 3) { - to->di_changecount = be64_to_cpu(from->di_changecount); + inode->i_version = be64_to_cpu(from->di_changecount); to->di_crtime.t_sec = be32_to_cpu(from->di_crtime.t_sec); to->di_crtime.t_nsec = be32_to_cpu(from->di_crtime.t_nsec); to->di_flags2 = be64_to_cpu(from->di_flags2); - to->di_ino = be64_to_cpu(from->di_ino); - to->di_lsn = be64_to_cpu(from->di_lsn); - memcpy(to->di_pad2, from->di_pad2, sizeof(to->di_pad2)); - uuid_copy(&to->di_uuid, &from->di_uuid); } } void -xfs_dinode_to_disk( - xfs_dinode_t *to, - xfs_icdinode_t *from) +xfs_inode_to_disk( + struct xfs_inode *ip, + struct xfs_dinode *to, + xfs_lsn_t lsn) +{ + struct xfs_icdinode *from = &ip->i_d; + struct inode *inode = VFS_I(ip); + + to->di_magic = cpu_to_be16(XFS_DINODE_MAGIC); + to->di_onlink = 0; + + to->di_version = from->di_version; + to->di_format = from->di_format; + to->di_uid = cpu_to_be32(from->di_uid); + to->di_gid = cpu_to_be32(from->di_gid); + to->di_projid_lo = cpu_to_be16(from->di_projid_lo); + to->di_projid_hi = cpu_to_be16(from->di_projid_hi); + + memset(to->di_pad, 0, sizeof(to->di_pad)); + to->di_atime.t_sec = cpu_to_be32(inode->i_atime.tv_sec); + to->di_atime.t_nsec = cpu_to_be32(inode->i_atime.tv_nsec); + to->di_mtime.t_sec = cpu_to_be32(inode->i_mtime.tv_sec); + to->di_mtime.t_nsec = cpu_to_be32(inode->i_mtime.tv_nsec); + to->di_ctime.t_sec = cpu_to_be32(inode->i_ctime.tv_sec); + to->di_ctime.t_nsec = cpu_to_be32(inode->i_ctime.tv_nsec); + to->di_nlink = cpu_to_be32(inode->i_nlink); + to->di_gen = cpu_to_be32(inode->i_generation); + to->di_mode = cpu_to_be16(inode->i_mode); + + to->di_size = cpu_to_be64(from->di_size); + to->di_nblocks = cpu_to_be64(from->di_nblocks); + to->di_extsize = cpu_to_be32(from->di_extsize); + to->di_nextents = cpu_to_be32(from->di_nextents); + to->di_anextents = cpu_to_be16(from->di_anextents); + to->di_forkoff = from->di_forkoff; + to->di_aformat = from->di_aformat; + to->di_dmevmask = cpu_to_be32(from->di_dmevmask); + to->di_dmstate = cpu_to_be16(from->di_dmstate); + to->di_flags = cpu_to_be16(from->di_flags); + + if (from->di_version == 3) { + to->di_changecount = cpu_to_be64(inode->i_version); + to->di_crtime.t_sec = cpu_to_be32(from->di_crtime.t_sec); + to->di_crtime.t_nsec = cpu_to_be32(from->di_crtime.t_nsec); + to->di_flags2 = cpu_to_be64(from->di_flags2); + + to->di_ino = cpu_to_be64(ip->i_ino); + to->di_lsn = cpu_to_be64(lsn); + memset(to->di_pad2, 0, sizeof(to->di_pad2)); + uuid_copy(&to->di_uuid, &ip->i_mount->m_sb.sb_meta_uuid); + to->di_flushiter = 0; + } else { + to->di_flushiter = cpu_to_be16(from->di_flushiter); + } +} + +void +xfs_log_dinode_to_disk( + struct xfs_log_dinode *from, + struct xfs_dinode *to) { to->di_magic = cpu_to_be16(from->di_magic); to->di_mode = cpu_to_be16(from->di_mode); - to->di_version = from ->di_version; + to->di_version = from->di_version; to->di_format = from->di_format; - to->di_onlink = cpu_to_be16(from->di_onlink); + to->di_onlink = 0; to->di_uid = cpu_to_be32(from->di_uid); to->di_gid = cpu_to_be32(from->di_gid); to->di_nlink = cpu_to_be32(from->di_nlink); to->di_projid_lo = cpu_to_be16(from->di_projid_lo); to->di_projid_hi = cpu_to_be16(from->di_projid_hi); memcpy(to->di_pad, from->di_pad, sizeof(to->di_pad)); + to->di_atime.t_sec = cpu_to_be32(from->di_atime.t_sec); to->di_atime.t_nsec = cpu_to_be32(from->di_atime.t_nsec); to->di_mtime.t_sec = cpu_to_be32(from->di_mtime.t_sec); to->di_mtime.t_nsec = cpu_to_be32(from->di_mtime.t_nsec); to->di_ctime.t_sec = cpu_to_be32(from->di_ctime.t_sec); to->di_ctime.t_nsec = cpu_to_be32(from->di_ctime.t_nsec); + to->di_size = cpu_to_be64(from->di_size); to->di_nblocks = cpu_to_be64(from->di_nblocks); to->di_extsize = cpu_to_be32(from->di_extsize); @@ -367,13 +443,10 @@ xfs_iread( !(mp->m_flags & XFS_MOUNT_IKEEP)) { /* initialise the on-disk inode core */ memset(&ip->i_d, 0, sizeof(ip->i_d)); - ip->i_d.di_magic = XFS_DINODE_MAGIC; - ip->i_d.di_gen = prandom_u32(); - if (xfs_sb_version_hascrc(&mp->m_sb)) { + VFS_I(ip)->i_generation = prandom_u32(); + if (xfs_sb_version_hascrc(&mp->m_sb)) ip->i_d.di_version = 3; - ip->i_d.di_ino = ip->i_ino; - uuid_copy(&ip->i_d.di_uuid, &mp->m_sb.sb_meta_uuid); - } else + else ip->i_d.di_version = 2; return 0; } @@ -403,7 +476,7 @@ xfs_iread( * Otherwise, just get the truly permanent information. */ if (dip->di_mode) { - xfs_dinode_from_disk(&ip->i_d, dip); + xfs_inode_from_disk(ip, dip); error = xfs_iformat_fork(ip, dip); if (error) { #ifdef DEBUG @@ -417,16 +490,10 @@ xfs_iread( * Partial initialisation of the in-core inode. Just the bits * that xfs_ialloc won't overwrite or relies on being correct. */ - ip->i_d.di_magic = be16_to_cpu(dip->di_magic); ip->i_d.di_version = dip->di_version; - ip->i_d.di_gen = be32_to_cpu(dip->di_gen); + VFS_I(ip)->i_generation = be32_to_cpu(dip->di_gen); ip->i_d.di_flushiter = be16_to_cpu(dip->di_flushiter); - if (dip->di_version == 3) { - ip->i_d.di_ino = be64_to_cpu(dip->di_ino); - uuid_copy(&ip->i_d.di_uuid, &dip->di_uuid); - } - /* * Make sure to pull in the mode here as well in * case the inode is released without being used. @@ -434,25 +501,10 @@ xfs_iread( * the inode is already free and not try to mess * with the uninitialized part of it. */ - ip->i_d.di_mode = 0; - } - - /* - * Automatically convert version 1 inode formats in memory to version 2 - * inode format. If the inode is modified, it will get logged and - * rewritten as a version 2 inode. We can do this because we set the - * superblock feature bit for v2 inodes unconditionally during mount - * and it means the reast of the code can assume the inode version is 2 - * or higher. - */ - if (ip->i_d.di_version == 1) { - ip->i_d.di_version = 2; - memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); - ip->i_d.di_nlink = ip->i_d.di_onlink; - ip->i_d.di_onlink = 0; - xfs_set_projid(ip, 0); + VFS_I(ip)->i_mode = 0; } + ASSERT(ip->i_d.di_version >= 2); ip->i_delayed_blks = 0; /* diff --git a/fs/xfs/libxfs/xfs_inode_buf.h b/fs/xfs/libxfs/xfs_inode_buf.h index 9308c47f2a52..7c4dd321b215 100644 --- a/fs/xfs/libxfs/xfs_inode_buf.h +++ b/fs/xfs/libxfs/xfs_inode_buf.h @@ -20,7 +20,36 @@ struct xfs_inode; struct xfs_dinode; -struct xfs_icdinode; + +/* + * In memory representation of the XFS inode. This is held in the in-core struct + * xfs_inode and represents the current on disk values but the structure is not + * in on-disk format. That is, this structure is always translated to on-disk + * format specific structures at the appropriate time. + */ +struct xfs_icdinode { + __int8_t di_version; /* inode version */ + __int8_t di_format; /* format of di_c data */ + __uint16_t di_flushiter; /* incremented on flush */ + __uint32_t di_uid; /* owner's user id */ + __uint32_t di_gid; /* owner's group id */ + __uint16_t di_projid_lo; /* lower part of owner's project id */ + __uint16_t di_projid_hi; /* higher part of owner's project id */ + xfs_fsize_t di_size; /* number of bytes in file */ + xfs_rfsblock_t di_nblocks; /* # of direct & btree blocks used */ + xfs_extlen_t di_extsize; /* basic/minimum extent size for file */ + xfs_extnum_t di_nextents; /* number of extents in data fork */ + xfs_aextnum_t di_anextents; /* number of extents in attribute fork*/ + __uint8_t di_forkoff; /* attr fork offs, <<3 for 64b align */ + __int8_t di_aformat; /* format of attr fork's data */ + __uint32_t di_dmevmask; /* DMIG event mask */ + __uint16_t di_dmstate; /* DMIG state info */ + __uint16_t di_flags; /* random flags, XFS_DIFLAG_... */ + + __uint64_t di_flags2; /* more random flags */ + + xfs_ictimestamp_t di_crtime; /* time created */ +}; /* * Inode location information. Stored in the inode and passed to @@ -38,8 +67,11 @@ int xfs_imap_to_bp(struct xfs_mount *, struct xfs_trans *, int xfs_iread(struct xfs_mount *, struct xfs_trans *, struct xfs_inode *, uint); void xfs_dinode_calc_crc(struct xfs_mount *, struct xfs_dinode *); -void xfs_dinode_to_disk(struct xfs_dinode *to, struct xfs_icdinode *from); -void xfs_dinode_from_disk(struct xfs_icdinode *to, struct xfs_dinode *from); +void xfs_inode_to_disk(struct xfs_inode *ip, struct xfs_dinode *to, + xfs_lsn_t lsn); +void xfs_inode_from_disk(struct xfs_inode *ip, struct xfs_dinode *from); +void xfs_log_dinode_to_disk(struct xfs_log_dinode *from, + struct xfs_dinode *to); #if defined(DEBUG) void xfs_inobp_check(struct xfs_mount *, struct xfs_buf *); diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c index ef22a78fb569..11faf7df14c8 100644 --- a/fs/xfs/libxfs/xfs_inode_fork.c +++ b/fs/xfs/libxfs/xfs_inode_fork.c @@ -121,7 +121,7 @@ xfs_iformat_fork( return -EFSCORRUPTED; } - switch (ip->i_d.di_mode & S_IFMT) { + switch (VFS_I(ip)->i_mode & S_IFMT) { case S_IFIFO: case S_IFCHR: case S_IFBLK: diff --git a/fs/xfs/libxfs/xfs_log_format.h b/fs/xfs/libxfs/xfs_log_format.h index 1be26ecdbebf..d54a8018b079 100644 --- a/fs/xfs/libxfs/xfs_log_format.h +++ b/fs/xfs/libxfs/xfs_log_format.h @@ -290,6 +290,7 @@ typedef struct xfs_inode_log_format_64 { __int32_t ilf_boffset; /* off of inode in buffer */ } xfs_inode_log_format_64_t; + /* * Flags for xfs_trans_log_inode flags field. */ @@ -360,15 +361,15 @@ typedef struct xfs_ictimestamp { } xfs_ictimestamp_t; /* - * NOTE: This structure must be kept identical to struct xfs_dinode - * except for the endianness annotations. + * Define the format of the inode core that is logged. This structure must be + * kept identical to struct xfs_dinode except for the endianness annotations. */ -typedef struct xfs_icdinode { +struct xfs_log_dinode { __uint16_t di_magic; /* inode magic # = XFS_DINODE_MAGIC */ __uint16_t di_mode; /* mode and type of file */ __int8_t di_version; /* inode version */ __int8_t di_format; /* format of di_c data */ - __uint16_t di_onlink; /* old number of links to file */ + __uint8_t di_pad3[2]; /* unused in v2/3 inodes */ __uint32_t di_uid; /* owner's user id */ __uint32_t di_gid; /* owner's group id */ __uint32_t di_nlink; /* number of links to file */ @@ -407,13 +408,13 @@ typedef struct xfs_icdinode { uuid_t di_uuid; /* UUID of the filesystem */ /* structure must be padded to 64 bit alignment */ -} xfs_icdinode_t; +}; -static inline uint xfs_icdinode_size(int version) +static inline uint xfs_log_dinode_size(int version) { if (version == 3) - return sizeof(struct xfs_icdinode); - return offsetof(struct xfs_icdinode, di_next_unlinked); + return sizeof(struct xfs_log_dinode); + return offsetof(struct xfs_log_dinode, di_next_unlinked); } /* diff --git a/fs/xfs/libxfs/xfs_rtbitmap.c b/fs/xfs/libxfs/xfs_rtbitmap.c index 33806e0c2bc6..951c044e24e4 100644 --- a/fs/xfs/libxfs/xfs_rtbitmap.c +++ b/fs/xfs/libxfs/xfs_rtbitmap.c @@ -1011,7 +1011,7 @@ xfs_rtfree_extent( mp->m_sb.sb_rextents) { if (!(mp->m_rbmip->i_d.di_flags & XFS_DIFLAG_NEWRTBM)) mp->m_rbmip->i_d.di_flags |= XFS_DIFLAG_NEWRTBM; - *(__uint64_t *)&mp->m_rbmip->i_d.di_atime = 0; + *(__uint64_t *)&VFS_I(mp->m_rbmip)->i_atime = 0; xfs_trans_log_inode(tp, mp->m_rbmip, XFS_ILOG_CORE); } return 0; diff --git a/fs/xfs/xfs_bmap_util.c b/fs/xfs/xfs_bmap_util.c index 07ef29b9b464..fd7f51c39b3f 100644 --- a/fs/xfs/xfs_bmap_util.c +++ b/fs/xfs/xfs_bmap_util.c @@ -823,7 +823,7 @@ bool xfs_can_free_eofblocks(struct xfs_inode *ip, bool force) { /* prealloc/delalloc exists only on regular files */ - if (!S_ISREG(ip->i_d.di_mode)) + if (!S_ISREG(VFS_I(ip)->i_mode)) return false; /* @@ -1728,7 +1728,7 @@ xfs_swap_extents( xfs_lock_two_inodes(ip, tip, XFS_MMAPLOCK_EXCL); /* Verify that both files have the same format */ - if ((ip->i_d.di_mode & S_IFMT) != (tip->i_d.di_mode & S_IFMT)) { + if ((VFS_I(ip)->i_mode & S_IFMT) != (VFS_I(tip)->i_mode & S_IFMT)) { error = -EINVAL; goto out_unlock; } diff --git a/fs/xfs/xfs_dir2_readdir.c b/fs/xfs/xfs_dir2_readdir.c index 642d55d10075..93b3ab0c5435 100644 --- a/fs/xfs/xfs_dir2_readdir.c +++ b/fs/xfs/xfs_dir2_readdir.c @@ -665,7 +665,7 @@ xfs_readdir( if (XFS_FORCED_SHUTDOWN(dp->i_mount)) return -EIO; - ASSERT(S_ISDIR(dp->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(dp)->i_mode)); XFS_STATS_INC(dp->i_mount, xs_dir_getdents); args.dp = dp; diff --git a/fs/xfs/xfs_export.c b/fs/xfs/xfs_export.c index 652cd3c5b58c..2816d42507bc 100644 --- a/fs/xfs/xfs_export.c +++ b/fs/xfs/xfs_export.c @@ -152,7 +152,7 @@ xfs_nfs_get_inode( return ERR_PTR(error); } - if (ip->i_d.di_gen != generation) { + if (VFS_I(ip)->i_generation != generation) { IRELE(ip); return ERR_PTR(-ESTALE); } diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c index 70a4b5a2802e..ac0fd32de31e 100644 --- a/fs/xfs/xfs_file.c +++ b/fs/xfs/xfs_file.c @@ -156,9 +156,9 @@ xfs_update_prealloc_flags( xfs_trans_ijoin(tp, ip, XFS_ILOCK_EXCL); if (!(flags & XFS_PREALLOC_INVISIBLE)) { - ip->i_d.di_mode &= ~S_ISUID; - if (ip->i_d.di_mode & S_IXGRP) - ip->i_d.di_mode &= ~S_ISGID; + VFS_I(ip)->i_mode &= ~S_ISUID; + if (VFS_I(ip)->i_mode & S_IXGRP) + VFS_I(ip)->i_mode &= ~S_ISGID; xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG); } diff --git a/fs/xfs/xfs_filestream.c b/fs/xfs/xfs_filestream.c index c4c130f9bfb6..a51353a1f87f 100644 --- a/fs/xfs/xfs_filestream.c +++ b/fs/xfs/xfs_filestream.c @@ -151,7 +151,7 @@ xfs_filestream_pick_ag( xfs_agnumber_t ag, max_ag = NULLAGNUMBER; int err, trylock, nscan; - ASSERT(S_ISDIR(ip->i_d.di_mode)); + ASSERT(S_ISDIR(VFS_I(ip)->i_mode)); /* 2% of an AG's blocks must be free for it to be chosen. */ minfree = mp->m_sb.sb_agblocks / 50; @@ -319,7 +319,7 @@ xfs_filestream_lookup_ag( xfs_agnumber_t startag, ag = NULLAGNUMBER; struct xfs_mru_cache_elem *mru; - ASSERT(S_ISREG(ip->i_d.di_mode)); + ASSERT(S_ISREG(VFS_I(ip)->i_mode)); pip = xfs_filestream_get_parent(ip); if (!pip) diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c index d7a490f24ead..bf2d60749278 100644 --- a/fs/xfs/xfs_icache.c +++ b/fs/xfs/xfs_icache.c @@ -63,6 +63,9 @@ xfs_inode_alloc( return NULL; } + /* VFS doesn't initialise i_mode! */ + VFS_I(ip)->i_mode = 0; + XFS_STATS_INC(mp, vn_active); ASSERT(atomic_read(&ip->i_pincount) == 0); ASSERT(!spin_is_locked(&ip->i_flags_lock)); @@ -79,7 +82,7 @@ xfs_inode_alloc( memset(&ip->i_df, 0, sizeof(xfs_ifork_t)); ip->i_flags = 0; ip->i_delayed_blks = 0; - memset(&ip->i_d, 0, sizeof(xfs_icdinode_t)); + memset(&ip->i_d, 0, sizeof(ip->i_d)); return ip; } @@ -98,7 +101,7 @@ void xfs_inode_free( struct xfs_inode *ip) { - switch (ip->i_d.di_mode & S_IFMT) { + switch (VFS_I(ip)->i_mode & S_IFMT) { case S_IFREG: case S_IFDIR: case S_IFLNK: @@ -135,6 +138,34 @@ xfs_inode_free( } /* + * When we recycle a reclaimable inode, we need to re-initialise the VFS inode + * part of the structure. This is made more complex by the fact we store + * information about the on-disk values in the VFS inode and so we can't just + * overwrite the values unconditionally. Hence we save the parameters we + * need to retain across reinitialisation, and rewrite them into the VFS inode + * after reinitialisation even if it fails. + */ +static int +xfs_reinit_inode( + struct xfs_mount *mp, + struct inode *inode) +{ + int error; + uint32_t nlink = inode->i_nlink; + uint32_t generation = inode->i_generation; + uint64_t version = inode->i_version; + umode_t mode = inode->i_mode; + + error = inode_init_always(mp->m_super, inode); + + set_nlink(inode, nlink); + inode->i_generation = generation; + inode->i_version = version; + inode->i_mode = mode; + return error; +} + +/* * Check the validity of the inode we just found it the cache */ static int @@ -185,7 +216,7 @@ xfs_iget_cache_hit( /* * If lookup is racing with unlink return an error immediately. */ - if (ip->i_d.di_mode == 0 && !(flags & XFS_IGET_CREATE)) { + if (VFS_I(ip)->i_mode == 0 && !(flags & XFS_IGET_CREATE)) { error = -ENOENT; goto out_error; } @@ -208,7 +239,7 @@ xfs_iget_cache_hit( spin_unlock(&ip->i_flags_lock); rcu_read_unlock(); - error = inode_init_always(mp->m_super, inode); + error = xfs_reinit_inode(mp, inode); if (error) { /* * Re-initializing the inode failed, and we are in deep @@ -295,7 +326,7 @@ xfs_iget_cache_miss( trace_xfs_iget_miss(ip); - if ((ip->i_d.di_mode == 0) && !(flags & XFS_IGET_CREATE)) { + if ((VFS_I(ip)->i_mode == 0) && !(flags & XFS_IGET_CREATE)) { error = -ENOENT; goto out_destroy; } @@ -444,7 +475,7 @@ again: * If we have a real type for an on-disk inode, we can setup the inode * now. If it's a new inode being created, xfs_ialloc will handle it. */ - if (xfs_iflags_test(ip, XFS_INEW) && ip->i_d.di_mode != 0) + if (xfs_iflags_test(ip, XFS_INEW) && VFS_I(ip)->i_mode != 0) xfs_setup_existing_inode(ip); return 0; diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c index ceba1a83cacc..26bac4ab79a3 100644 --- a/fs/xfs/xfs_inode.c +++ b/fs/xfs/xfs_inode.c @@ -57,9 +57,9 @@ kmem_zone_t *xfs_inode_zone; */ #define XFS_ITRUNC_MAX_EXTENTS 2 -STATIC int xfs_iflush_int(xfs_inode_t *, xfs_buf_t *); - -STATIC int xfs_iunlink_remove(xfs_trans_t *, xfs_inode_t *); +STATIC int xfs_iflush_int(struct xfs_inode *, struct xfs_buf *); +STATIC int xfs_iunlink(struct xfs_trans *, struct xfs_inode *); +STATIC int xfs_iunlink_remove(struct xfs_trans *, struct xfs_inode *); /* * helper function to extract extent size hint from inode @@ -766,6 +766,7 @@ xfs_ialloc( uint flags; int error; struct timespec tv; + struct inode *inode; /* * Call the space management code to pick @@ -791,6 +792,7 @@ xfs_ialloc( if (error) return error; ASSERT(ip != NULL); + inode = VFS_I(ip); /* * We always convert v1 inodes to v2 now - we only support filesystems @@ -800,20 +802,16 @@ xfs_ialloc( if (ip->i_d.di_version == 1) ip->i_d.di_version = 2; - ip->i_d.di_mode = mode; - ip->i_d.di_onlink = 0; - ip->i_d.di_nlink = nlink; - ASSERT(ip->i_d.di_nlink == nlink); + inode->i_mode = mode; + set_nlink(inode, nlink); ip->i_d.di_uid = xfs_kuid_to_uid(current_fsuid()); ip->i_d.di_gid = xfs_kgid_to_gid(current_fsgid()); xfs_set_projid(ip, prid); - memset(&(ip->i_d.di_pad[0]), 0, sizeof(ip->i_d.di_pad)); if (pip && XFS_INHERIT_GID(pip)) { ip->i_d.di_gid = pip->i_d.di_gid; - if ((pip->i_d.di_mode & S_ISGID) && S_ISDIR(mode)) { - ip->i_d.di_mode |= S_ISGID; - } + if ((VFS_I(pip)->i_mode & S_ISGID) && S_ISDIR(mode)) + inode->i_mode |= S_ISGID; } /* @@ -822,38 +820,29 @@ xfs_ialloc( * (and only if the irix_sgid_inherit compatibility variable is set). */ if ((irix_sgid_inherit) && - (ip->i_d.di_mode & S_ISGID) && - (!in_group_p(xfs_gid_to_kgid(ip->i_d.di_gid)))) { - ip->i_d.di_mode &= ~S_ISGID; - } + (inode->i_mode & S_ISGID) && + (!in_group_p(xfs_gid_to_kgid(ip->i_d.di_gid)))) + inode->i_mode &= ~S_ISGID; ip->i_d.di_size = 0; ip->i_d.di_nextents = 0; ASSERT(ip->i_d.di_nblocks == 0); tv = current_fs_time(mp->m_super); - ip->i_d.di_mtime.t_sec = (__int32_t)tv.tv_sec; - ip->i_d.di_mtime.t_nsec = (__int32_t)tv.tv_nsec; - ip->i_d.di_atime = ip->i_d.di_mtime; - ip->i_d.di_ctime = ip->i_d.di_mtime; + inode->i_mtime = tv; + inode->i_atime = tv; + inode->i_ctime = tv; - /* - * di_gen will have been taken care of in xfs_iread. - */ ip->i_d.di_extsize = 0; ip->i_d.di_dmevmask = 0; ip->i_d.di_dmstate = 0; ip->i_d.di_flags = 0; if (ip->i_d.di_version == 3) { - ASSERT(ip->i_d.di_ino == ino); - ASSERT(uuid_equal(&ip->i_d.di_uuid, &mp->m_sb.sb_meta_uuid)); - ip->i_d.di_crc = 0; - ip->i_d.di_changecount = 1; - ip->i_d.di_lsn = 0; + inode->i_version = 1; ip->i_d.di_flags2 = 0; - memset(&(ip->i_d.di_pad2[0]), 0, sizeof(ip->i_d.di_pad2)); - ip->i_d.di_crtime = ip->i_d.di_mtime; + ip->i_d.di_crtime.t_sec = (__int32_t)tv.tv_sec; + ip->i_d.di_crtime.t_nsec = (__int32_t)tv.tv_nsec; } @@ -1092,35 +1081,24 @@ xfs_dir_ialloc( } /* - * Decrement the link count on an inode & log the change. - * If this causes the link count to go to zero, initiate the - * logging activity required to truncate a file. + * Decrement the link count on an inode & log the change. If this causes the + * link count to go to zero, move the inode to AGI unlinked list so that it can + * be freed when the last active reference goes away via xfs_inactive(). */ int /* error */ xfs_droplink( xfs_trans_t *tp, xfs_inode_t *ip) { - int error; - xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG); - ASSERT (ip->i_d.di_nlink > 0); - ip->i_d.di_nlink--; drop_nlink(VFS_I(ip)); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); - error = 0; - if (ip->i_d.di_nlink == 0) { - /* - * We're dropping the last link to this file. - * Move the on-disk inode to the AGI unlinked list. - * From xfs_inactive() we will pull the inode from - * the list and free it. - */ - error = xfs_iunlink(tp, ip); - } - return error; + if (VFS_I(ip)->i_nlink) + return 0; + + return xfs_iunlink(tp, ip); } /* @@ -1134,8 +1112,6 @@ xfs_bumplink( xfs_trans_ichgtime(tp, ip, XFS_ICHGTIME_CHG); ASSERT(ip->i_d.di_version > 1); - ASSERT(ip->i_d.di_nlink > 0 || (VFS_I(ip)->i_state & I_LINKABLE)); - ip->i_d.di_nlink++; inc_nlink(VFS_I(ip)); xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE); return 0; @@ -1393,7 +1369,6 @@ xfs_create_tmpfile( */ xfs_qm_vop_create_dqattach(tp, ip, udqp, gdqp, pdqp); - ip->i_d.di_nlink--; error = xfs_iunlink(tp, ip); if (error) goto out_trans_cancel; @@ -1444,7 +1419,7 @@ xfs_link( trace_xfs_link(tdp, target_name); - ASSERT(!S_ISDIR(sip->i_d.di_mode)); + ASSERT(!S_ISDIR(VFS_I(sip)->i_mode)); if (XFS_FORCED_SHUTDOWN(mp)) return -EIO; @@ -1492,7 +1467,10 @@ xfs_link( xfs_bmap_init(&free_list, &first_block); - if (sip->i_d.di_nlink == 0) { + /* + * Handle initial link state of O_TMPFILE inode + */ + if (VFS_I(sip)->i_ |