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Message-ID: <20131125175728.GB22238@birch.djwong.org> Date: Mon, 25 Nov 2013 09:57:28 -0800 From: "Darrick J. Wong" <darrick.wong@...cle.com> To: tytso@....edu, linux-ext4@...r.kernel.org Subject: Re: [PATCH 06/25] libext2fs: fix tests that set LARGE_FILE On Mon, Nov 25, 2013 at 03:09:02PM +0800, Zheng Liu wrote: > On Thu, Oct 17, 2013 at 09:49:35PM -0700, Darrick J. Wong wrote: > > For each site where we test for a large file (> 2GB) and set the > > LARGE_FILE feature, use a helper function to make the size test > > consistent with the test that's in e2fsck. This fixes the fsck > > complaints when we try to create a 2GB journal (not so hard with 64k > > block size) and fixes the incorrect test in fileio.c. > > > > Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com> > > In e2fsck/pass2.c there is also a place that needs to be fixed. > Otherwise the patch looks good to me. > Reviewed-by: Zheng Liu <wenqing.lz@...bao.com> > > - Zheng > > diff --git a/e2fsck/pass2.c b/e2fsck/pass2.c > index 3c0bf49..66ed665 100644 > --- a/e2fsck/pass2.c > +++ b/e2fsck/pass2.c > @@ -1318,7 +1318,8 @@ static void deallocate_inode(e2fsck_t ctx, ext2_ino_t ino, char* block_buf) > if (!ext2fs_inode_has_valid_blocks2(fs, &inode)) > goto clear_inode; > > - if (LINUX_S_ISREG(inode.i_mode) && EXT2_I_SIZE(&inode) >= 0x80000000UL) > + if (LINUX_S_ISREG(inode.i_mode) && > + ext2fs_needs_large_file_feature(EXT2_I_SIZE(&inode))) > ctx->large_files--; > > del_block.ctx = ctx; Good catch! Thank you; I'll update the patch. --D > > > --- > > e2fsck/pass1.c | 3 ++- > > lib/ext2fs/ext2fs.h | 6 ++++++ > > lib/ext2fs/fileio.c | 2 +- > > lib/ext2fs/mkjournal.c | 2 +- > > 4 files changed, 10 insertions(+), 3 deletions(-) > > > > > > diff --git a/e2fsck/pass1.c b/e2fsck/pass1.c > > index ab23e42..8c18a93 100644 > > --- a/e2fsck/pass1.c > > +++ b/e2fsck/pass1.c > > @@ -2281,7 +2281,8 @@ static void check_blocks(e2fsck_t ctx, struct problem_context *pctx, > > } > > pctx->num = 0; > > } > > - if (LINUX_S_ISREG(inode->i_mode) && EXT2_I_SIZE(inode) >= 0x80000000UL) > > + if (LINUX_S_ISREG(inode->i_mode) && > > + ext2fs_needs_large_file_feature(EXT2_I_SIZE(inode))) > > ctx->large_files++; > > if ((pb.num_blocks != ext2fs_inode_i_blocks(fs, inode)) || > > ((fs->super->s_feature_ro_compat & > > diff --git a/lib/ext2fs/ext2fs.h b/lib/ext2fs/ext2fs.h > > index 1ef4d67..8f82dae 100644 > > --- a/lib/ext2fs/ext2fs.h > > +++ b/lib/ext2fs/ext2fs.h > > @@ -646,6 +646,12 @@ static inline int ext2fs_has_group_desc_csum(ext2_filsys fs) > > EXT4_FEATURE_RO_COMPAT_METADATA_CSUM); > > } > > > > +/* The LARGE_FILE feature should be set if we have stored files 2GB+ in size */ > > +static inline int ext2fs_needs_large_file_feature(unsigned long long file_size) > > +{ > > + return file_size >= 0x80000000ULL; > > +} > > + > > /* alloc.c */ > > extern errcode_t ext2fs_new_inode(ext2_filsys fs, ext2_ino_t dir, int mode, > > ext2fs_inode_bitmap map, ext2_ino_t *ret); > > diff --git a/lib/ext2fs/fileio.c b/lib/ext2fs/fileio.c > > index 02e6263..6b213b5 100644 > > --- a/lib/ext2fs/fileio.c > > +++ b/lib/ext2fs/fileio.c > > @@ -400,7 +400,7 @@ errcode_t ext2fs_file_set_size2(ext2_file_t file, ext2_off64_t size) > > > > /* If we're writing a large file, set the large_file flag */ > > if (LINUX_S_ISREG(file->inode.i_mode) && > > - EXT2_I_SIZE(&file->inode) > 0x7FFFFFFULL && > > + ext2fs_needs_large_file_feature(EXT2_I_SIZE(&file->inode)) && > > (!EXT2_HAS_RO_COMPAT_FEATURE(file->fs->super, > > EXT2_FEATURE_RO_COMPAT_LARGE_FILE) || > > file->fs->super->s_rev_level == EXT2_GOOD_OLD_REV)) { > > diff --git a/lib/ext2fs/mkjournal.c b/lib/ext2fs/mkjournal.c > > index c636a97..2afd3b7 100644 > > --- a/lib/ext2fs/mkjournal.c > > +++ b/lib/ext2fs/mkjournal.c > > @@ -378,7 +378,7 @@ static errcode_t write_journal_inode(ext2_filsys fs, ext2_ino_t journal_ino, > > inode_size = (unsigned long long)fs->blocksize * num_blocks; > > inode.i_size = inode_size & 0xFFFFFFFF; > > inode.i_size_high = (inode_size >> 32) & 0xFFFFFFFF; > > - if (inode.i_size_high) > > + if (ext2fs_needs_large_file_feature(inode_size)) > > fs->super->s_feature_ro_compat |= > > EXT2_FEATURE_RO_COMPAT_LARGE_FILE; > > ext2fs_iblk_add_blocks(fs, &inode, es.newblocks); > > > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > > the body of a message to majordomo@...r.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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