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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
ocfs2: Add JBD2 compat feature bit.
Define the OCFS2_FEATURE_COMPAT_JBD2 bit in the filesystem header.
Signed-off-by: Joel Becker <joel.becker@oracle.com>
Signed-off-by: Mark Fasheh <mfasheh@suse.com>
authored by Joel Becker and committed by Mark Fasheh a9772189 83099bc6
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fs/ocfs2/ocfs2_fs.h
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fs/ocfs2/ocfs2_fs.h
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#define OCFS2_CLEAR_INCOMPAT_FEATURE(sb,mask) \
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OCFS2_SB(sb)->s_feature_incompat &= ~(mask)
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#define OCFS2_FEATURE_COMPAT_SUPP OCFS2_FEATURE_COMPAT_BACKUP_SB
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#define OCFS2_FEATURE_COMPAT_SUPP (OCFS2_FEATURE_COMPAT_BACKUP_SB \
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| OCFS2_FEATURE_COMPAT_JBD2_SB)
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#define OCFS2_FEATURE_INCOMPAT_SUPP (OCFS2_FEATURE_INCOMPAT_LOCAL_MOUNT \
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| OCFS2_FEATURE_INCOMPAT_SPARSE_ALLOC \
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| OCFS2_FEATURE_INCOMPAT_INLINE_DATA \
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* has backup superblocks.
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*/
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#define OCFS2_FEATURE_COMPAT_BACKUP_SB 0x0001
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/*
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* The filesystem will correctly handle journal feature bits.
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*/
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#define OCFS2_FEATURE_COMPAT_JBD2_SB 0x0002
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/*
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* Unwritten extents support.