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| author | Lukas Czerner <lczerner@redhat.com> | 2010-10-27 21:30:05 -0400 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-10-27 21:30:05 -0400 |
| commit | 857ac889cce8a486d47874db4d2f9620e7e9e5de (patch) | |
| tree | 12401895197d819fcbf2335244d91259f4640aa2 /fs/ext4/ialloc.c | |
| parent | bfff68738f1cb5c93dab1114634cea02aae9e7ba (diff) | |
| download | kernel_samsung_smdk4412-857ac889cce8a486d47874db4d2f9620e7e9e5de.zip kernel_samsung_smdk4412-857ac889cce8a486d47874db4d2f9620e7e9e5de.tar.gz kernel_samsung_smdk4412-857ac889cce8a486d47874db4d2f9620e7e9e5de.tar.bz2 | |
ext4: add interface to advertise ext4 features in sysfs
User-space should have the opportunity to check what features doest ext4
support in each particular copy. This adds easy interface by creating new
"features" directory in sys/fs/ext4/. In that directory files
advertising feature names can be created.
Add lazy_itable_init to the feature list.
Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4/ialloc.c')
| -rw-r--r-- | fs/ext4/ialloc.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c index e428f23..87d228a 100644 --- a/fs/ext4/ialloc.c +++ b/fs/ext4/ialloc.c @@ -1274,6 +1274,16 @@ extern int ext4_init_inode_table(struct super_block *sb, ext4_group_t group, ext4_itable_unused_count(sb, gdp)), sbi->s_inodes_per_block); + if ((used_blks < 0) || (used_blks > sbi->s_itb_per_group)) { + ext4_error(sb, "Something is wrong with group %u\n" + "Used itable blocks: %d" + "itable unused count: %u\n", + group, used_blks, + ext4_itable_unused_count(sb, gdp)); + ret = 1; + goto out; + } + blk = ext4_inode_table(sb, gdp) + used_blks; num = sbi->s_itb_per_group - used_blks; @@ -1283,15 +1293,6 @@ extern int ext4_init_inode_table(struct super_block *sb, ext4_group_t group, if (ret) goto err_out; - if (unlikely(num > EXT4_INODES_PER_GROUP(sb))) { - ext4_error(sb, "Something is wrong with group %u\n" - "Used itable blocks: %d" - "Itable blocks per group: %lu\n", - group, used_blks, sbi->s_itb_per_group); - ret = 1; - goto err_out; - } - /* * Skip zeroout if the inode table is full. But we set the ZEROED * flag anyway, because obviously, when it is full it does not need |