xfs: Check for extent overflow when trivally adding a new extent

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When adding a new data extent (without modifying an inode's existing
extents) the extent count increases only by 1. This commit checks for
extent count overflow in such cases.

Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Allison Henderson <allison.henderson@oracle.com>
Signed-off-by: Chandan Babu R <chandanrlinux@gmail.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>

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This commit is contained in:

Chandan Babu R 2021-01-22 16:48:11 -08:00 • committed by Darrick J. Wong

parent b9b7e1dc56

commit 727e1acd29

7 changed files with 41 additions and 1 deletions

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6

fs/xfs/libxfs/xfs_bmap.c

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fs/xfs/libxfs/xfs_inode_fork.h

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fs/xfs/xfs_bmap_item.c

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fs/xfs/xfs_bmap_util.c

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fs/xfs/xfs_dquot.c

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fs/xfs/xfs_iomap.c

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fs/xfs/xfs_rtalloc.c

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