diff options
Diffstat (limited to 'fs/ext4/move_extent.c')
| -rw-r--r-- | fs/ext4/move_extent.c | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/fs/ext4/move_extent.c b/fs/ext4/move_extent.c index 82c415be87a..d1fc662cc31 100644 --- a/fs/ext4/move_extent.c +++ b/fs/ext4/move_extent.c @@ -15,6 +15,7 @@ #include <linux/fs.h> #include <linux/quotaops.h> +#include <linux/slab.h> #include "ext4_jbd2.h" #include "ext4_extents.h" #include "ext4.h" @@ -152,12 +153,12 @@ mext_check_null_inode(struct inode *inode1, struct inode *inode2, int ret = 0; if (inode1 == NULL) { - ext4_error(inode2->i_sb, function, + __ext4_error(inode2->i_sb, function, "Both inodes should not be NULL: " "inode1 NULL inode2 %lu", inode2->i_ino); ret = -EIO; } else if (inode2 == NULL) { - ext4_error(inode1->i_sb, function, + __ext4_error(inode1->i_sb, function, "Both inodes should not be NULL: " "inode1 %lu inode2 NULL", inode1->i_ino); ret = -EIO; @@ -252,6 +253,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode, } o_start->ee_len = start_ext->ee_len; + eblock = le32_to_cpu(start_ext->ee_block); new_flag = 1; } else if (start_ext->ee_len && new_ext->ee_len && @@ -262,6 +264,7 @@ mext_insert_across_blocks(handle_t *handle, struct inode *orig_inode, * orig |------------------------------| */ o_start->ee_len = start_ext->ee_len; + eblock = le32_to_cpu(start_ext->ee_block); new_flag = 1; } else if (!start_ext->ee_len && new_ext->ee_len && @@ -475,7 +478,6 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode, struct ext4_extent *oext, *o_start, *o_end, *prev_ext; struct ext4_extent new_ext, start_ext, end_ext; ext4_lblk_t new_ext_end; - ext4_fsblk_t new_phys_end; int oext_alen, new_ext_alen, end_ext_alen; int depth = ext_depth(orig_inode); int ret; @@ -489,7 +491,6 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode, new_ext.ee_len = dext->ee_len; new_ext_alen = ext4_ext_get_actual_len(&new_ext); new_ext_end = le32_to_cpu(new_ext.ee_block) + new_ext_alen - 1; - new_phys_end = ext_pblock(&new_ext) + new_ext_alen - 1; /* * Case: original extent is first @@ -502,6 +503,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode, le32_to_cpu(oext->ee_block) + oext_alen) { start_ext.ee_len = cpu_to_le16(le32_to_cpu(new_ext.ee_block) - le32_to_cpu(oext->ee_block)); + start_ext.ee_block = oext->ee_block; copy_extent_status(oext, &start_ext); } else if (oext > EXT_FIRST_EXTENT(orig_path[depth].p_hdr)) { prev_ext = oext - 1; @@ -515,6 +517,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode, start_ext.ee_len = cpu_to_le16( ext4_ext_get_actual_len(prev_ext) + new_ext_alen); + start_ext.ee_block = oext->ee_block; copy_extent_status(prev_ext, &start_ext); new_ext.ee_len = 0; } @@ -526,7 +529,7 @@ mext_leaf_block(handle_t *handle, struct inode *orig_inode, * new_ext |-------| */ if (le32_to_cpu(oext->ee_block) + oext_alen - 1 < new_ext_end) { - ext4_error(orig_inode->i_sb, __func__, + ext4_error(orig_inode->i_sb, "new_ext_end(%u) should be less than or equal to " "oext->ee_block(%u) + oext_alen(%d) - 1", new_ext_end, le32_to_cpu(oext->ee_block), @@ -689,12 +692,12 @@ mext_replace_branches(handle_t *handle, struct inode *orig_inode, while (1) { /* The extent for donor must be found. */ if (!dext) { - ext4_error(donor_inode->i_sb, __func__, + ext4_error(donor_inode->i_sb, "The extent for donor must be found"); *err = -EIO; goto out; } else if (donor_off != le32_to_cpu(tmp_dext.ee_block)) { - ext4_error(donor_inode->i_sb, __func__, + ext4_error(donor_inode->i_sb, "Donor offset(%u) and the first block of donor " "extent(%u) should be equal", donor_off, @@ -928,7 +931,7 @@ out2: } /** - * mext_check_argumants - Check whether move extent can be done + * mext_check_arguments - Check whether move extent can be done * * @orig_inode: original inode * @donor_inode: donor inode @@ -949,14 +952,6 @@ mext_check_arguments(struct inode *orig_inode, unsigned int blkbits = orig_inode->i_blkbits; unsigned int blocksize = 1 << blkbits; - /* Regular file check */ - if (!S_ISREG(orig_inode->i_mode) || !S_ISREG(donor_inode->i_mode)) { - ext4_debug("ext4 move extent: The argument files should be " - "regular file [ino:orig %lu, donor %lu]\n", - orig_inode->i_ino, donor_inode->i_ino); - return -EINVAL; - } - if (donor_inode->i_mode & (S_ISUID|S_ISGID)) { ext4_debug("ext4 move extent: suid or sgid is set" " to donor file [ino:orig %lu, donor %lu]\n", @@ -1204,6 +1199,14 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, return -EINVAL; } + /* Regular file check */ + if (!S_ISREG(orig_inode->i_mode) || !S_ISREG(donor_inode->i_mode)) { + ext4_debug("ext4 move extent: The argument files should be " + "regular file [ino:orig %lu, donor %lu]\n", + orig_inode->i_ino, donor_inode->i_ino); + return -EINVAL; + } + /* Protect orig and donor inodes against a truncate */ ret1 = mext_inode_double_lock(orig_inode, donor_inode); if (ret1 < 0) @@ -1351,7 +1354,7 @@ ext4_move_extents(struct file *o_filp, struct file *d_filp, if (ret1 < 0) break; if (*moved_len > len) { - ext4_error(orig_inode->i_sb, __func__, + ext4_error(orig_inode->i_sb, "We replaced blocks too much! " "sum of replaced: %llu requested: %llu", *moved_len, len); |